QRZ Now

Syndicate content
All about Ham Radio
Updated: 4 hours 9 min ago

FCC Administrative Law Judge Dismisses Radio Amateur’s Long-Standing License Renewal Application

Mon, 07/16/2018 - 09:55

[UPDATED 2018-07-12 @ 1937 UTC — This story corrects some incorrect statements included in an earlier post.]

A California man embroiled in a long-running license renewal proceeding has lost the next step in his fight to remain a radio amateur. In a July 9 Order, FCC Administrative Law Judge Richard L. Sippel terminated the decade-old license renewal application of William Crowell, W6WBJ (ex-N6AYJ), of Diamond Springs, California, upon a motion by Enforcement Bureau Chief Rosemary C. Harold. Sippel’s Order followed Crowell’s refusal to appear in Washington, DC, for a hearing to consider not just his license renewal but related enforcement issues dating back 15 years or more.

“Crowell’s decision not to appear at the hearing has the same practical effect as if he had initially failed, pursuant to Section 1.221(c) of the Rules, to file a written notice of appearance or otherwise signal his intent to participate in the hearing on his pending renewal application, i.e., he has waived his right to prosecute that application,” Harold said in the Enforcement Bureau’s June 12 motion to dismiss Crowell’s license renewal application.

In his Order, Sippel said he agreed with Harold’s determination. Crowell had asserted that the FCC was obliged to hold field hearings in the city nearest to a licensee’s residence, but Sippel said that was incorrect. Crowell invoked financial hardship rules, but Sippel said those would not apply in an Amateur Radio case. Dismissal of the renewal application was “with prejudice.”

It has been 10 years since the FCC set Crowell’s license renewal application for hearing, which was to center on whether he had violated FCC Part 97 rules in the early 2000s, in part by causing intentional interference, transmitting music, and “using indecent language,” and whether he was qualified to have his renewal application granted.

Crowell raised the lengthy delay in his response to Harold’s June 12 motion. “The more-than-10-year delay in holding a hearing herein (that’s only since the Hearing Designation Order [was] issued; the pre-HDO part of the case goes back to 2000) violates my administrative due process rights,” claimed Crowell, who is an attorney.

Crowell further claimed that most of the witnesses who might testify at a hearing are now deceased, and “the evidence is terribly stale.” He said the Enforcement Bureau “has no excuse for not having taken this case to a hearing at a much earlier date, and, at this point, my ability to elucidate the truth has been fatally compromised.”

Crowell was fined $25,000 in 2016 for intentionally interfering with the transmissions of other radio amateurs and transmitting prohibited communications, including music. The FCC said Crowell did not deny making the transmissions but argued, in large part, that those transmissions were protected by the First Amendment of the Constitution. The FCC turned away that assertion.

Sippel said he had stayed the renewal case on the basis of the pending Forfeiture Order proceeding, but said he was later informed that the US Department of Justice had decided not to prosecute the case.

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Review Gary M0TIG takes a look at the Metro VNA range at ML&S June 08, 2017 No comments

ANTENNA ANALYZER MetroVna Pro Touch 55/180/250 MHz The idea of creating an all-Italian version of an Antenna Analyser was born as a challenge.After co... Read more

Yaesu FT-450 HF and 6 Meter – QST – ARRL Product Review May 09, 2016 No comments

Yaesu FT-450 Reviewed by Rick Lindquist, N1RL ARRL Contributing Editor The FT-450 is Yaesu’s latest entry in the HF/50 MHz transceiver field. It’s a s... Read more

DIY How To Build A Solar Powered Radio Communications Go Box- The Ham-O-Can October 18, 2016 No comments

  Here are all the links- http://goo.gl/FgPgwH You asked for it! Well, one of you did. In this video we take the Midland Micro Mobile GMRS radio... Read more

Unboxing and Testing the Kenwood TH-D74A Triband DSTAR HT : Ham Radio 2.0 October 18, 2016 No comments

Kenwood has upgraded their game and jumped onto the DSTAR bandwagon. This Triband HT includes the 220MHz band, and is capable of DSTAR on all 3 bands.... Read more

Unboxing Kenwood TH-D74A February 24, 2017 No comments

Kenwood TH-D74A 144/220/430 MHz TRIBANDER. Triband Amateur radio packed with convenient features and the advantage of a digital transceiver with D-STA... Read more

Antenna The InLogis/Pixel Active Magnetic Loop Antenna Now Available Exclusively at DX Engineering November 21, 2015 No comments

Amateur Radio operators have relied on the RF-PRO-1B Active Magnetic Loop Antenna for decades. Now, it is manufactured and sold exclusively by DX Engi... Read more

SteppIR DB42 Setup by JA5MHD [ Video ] March 02, 2015 No comments

SteppIR DB42 http://blogs.yahoo.co.jp/ja5mhd     Read more

$40 ANTENNA ANALYZER WITH ARDUINO AND AD9850 August 15, 2015 No comments

  If you are a hacker, you might consider ham radio operators as innovative. Most people, however, just see them as cheap. So it is no surprise t... Read more

18el 6bander – GXP Antenas – 40/20/17/15/12/10 March 29, 2016 No comments

GXP Antenas 18el  6bander Bands      40/20/17/15/12/10 Gain (dBd)            3,9/10,6/10,3/10,5/10,2/10,5 F/B (dB)    22/26/22/23/20/21   SWR   40  le... Read more

ARSCTL – a flexible web interface for your antenna rotators by DH1TW August 18, 2015 No comments

Arsctl is a server side application which makes all your antenna rotators available on a network. Arsctl allows you to conveniently control your rotat... Read more

VHF Unboxing the Alinco DR-735T Mobile Radio – Ham Radio 2.0: Episode 51 August 11, 2016 No comments

Alinco DR-735T  Read more

DVMega and Pi-Star DMR Hotspot – Ham Radio Q&A March 01, 2018 No comments

“Don’t let the lack of a repeater keep you from playing with DMR or another digital mode. DMR repeaters are springing up everywhere. There are c... Read more

NSTIG-8R Dual Band (VHF/UHF) Analog Portable Two-Way Radio March 10, 2015 No comments

  VERSATILE RADIO FOR AMATEUR AND COMMERCIAL USEThe NSTIG-8R is certified for use on commercial and amateur frequencies. The NSTIG-8R is FCC Cert... Read more

Portable Repeater Controller April 09, 2018 No comments

This microprocessor-based Portable Repeater Controller was designed to quickly build a fully functional repeater ‘in the field’ in less th... Read more

Mirage Amplifier B-320-G VHF, HT/MOBLE AMP, 200W OUT, 144-148 MHZ November 30, 2014 No comments

Amplifier, HT, VHF, Solid State, 144-148 MHz, 3/50 W In, 200/200 W Out, UHF Fem, SO-239, 13.8 Vdc, 25 A, Each Add this amp to your 2 Meter HTor mobile... Read more

Digital Modes Third Public Test of FT8 DXpediton Mode Deemed a Success May 09, 2018 No comments

The third public test of FT8 DXpedition Mode on May 5 is being called a success. The goal of the exercise was to simulate a rare DXpedition pileup on... Read more

Release: WSJT-X Version 1.9.0-rc4 April 29, 2018 No comments

Changes from WSJT-X Version 1.9.0-rc3 include the following: – Corrected a number of flaws in Fox and Hound behavior, FT8 DXpedition Mode... Read more

A New Spin on JT Alert HRD Logbook and WSJT X April 11, 2018 No comments

WSJT-X for rig control. There’s no need for HRD rig control to be running. Just HRD Logbook, WSJT-X and JT Alert. Read more

Second Public Test of FT8 DXpedition Mode Demonstrates High Contact Rates Possible April 10, 2018 No comments

The second public test of FT8 DXpedition Mode has shown that the mock DXpedition stations (“Foxes”) were able to work the pileups of callers (“Hounds”... Read more

MixW 4 is a new multi-mode, multi-platform software for radio amateurs. April 06, 2018 No comments

  MixW 4 is a new multi-mode, multi-platform software for radio amateurs. A completely new outlook. Tons of new features. JT65 and FT8 modes. Kiw... Read more

Final Preparations Under Way for Youth on the Air 2018 in South Africa

Mon, 07/16/2018 - 09:45

With just weeks to go until the Youngsters on the Air (YOTA) international event, YOTA South Africa 2018 gets under way. The South African Amateur Radio League (SARL) is hosting the event. A summertime gathering in the past, YOTA South Africa 2018 will take place during the Southern Hemisphere winter. The YOTA events team is wrapping up preparations for the 7-day program, August 8 – 15, in South Africa’s Gauteng region. Some 80 young radio amateurs — including 13-year-old Faith Hannah Lea, AE4FH, of Florida — are expected to attend and operate the ZS9YOTA special event station while there.

Last August, 80 young people attended YOTA Summer Camp in England, sponsored by the Radio Society of Great Britain (RSGB). Two young radio amateurs from the US attended the 2016 YOTA Summer Camp in Austria.

“In addition to Amateur Radio, this week creates the opportunity to learn all about different nationalities and cultures, foster international friendships and goodwill, as well as learn new communication and technical skills,” IARU Region 1 Youth Working Group Chair Lisa Leenders, PA2LS, said in a statement.

Leenders said this year’s camp will mark the first YOTA event focusing on a “train the trainer” principle, with participants learning tips and techniques to start their own youth activities or programs when they return home. “With this [approach], we will reach a bigger audience on a national and local level, which [helps] more young people and newcomers get involved in Amateur Radio,” she said.

YOTA South African 2018 will offer participating radio amateurs opportunities to learn more about Amateur Radio, get acquainted with fellow amateurs from other parts of the world, and have a lot of fun with Amateur Radio and social activities during the weeklong camp.

SARL President Nico van Rensburg, ZS6QL, promised that participants would be greeted “with a traditional South African welcome.” He said campers can expect “a mild winter with sun-filled days” with daytime temperatures in the mid-60s. He called YOTA South Africa 2018 a “pseudo-summer camp.”

Highlights planned for the week include learning about software-defined radio (SDR) technology, building a mini CubeSat, and experience launching and tracking it into near space on a high-altitude balloon. They also will learn about Rapid Deployment Amateur Radio (RaDAR) — essentially Amateur Radio on the move — and they will build a QRP (low-power) HF transceiver kit. The week also will include a visit to a game reserve.

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Review KN-Q7A SSB 20m QRP Ham Radio Transceiver Kit April 16, 2016 No comments

KN-Q7A SSB 20m QRP Are you tired of building pixie kits, rockmites, and other entry levelham radio transceivers that just end up sitting on the shelf... Read more

Flex-6400M and Flex-6600M Preview from the Dayton Hamvention 2017 [ VIDEO ] May 22, 2017 No comments

Flex-6400M and Flex-6600M    Read more

YAESU FT-991A Colour Screen and Waterfall Demonstration November 14, 2016 No comments

“We demonstrate the two major new features of the latest version of Yaesu’s “991” series, the FT-991A. Watch the colour screen... Read more

HF Interference Problem from Ethernet over Powerlines Devices January 23, 2017 No comments

“Testing to see how bad powerline internet connections can be for HF reception. These devices allow you to use your house power cables as a conv... Read more

December 24, 2016 No comments

“This week I’m reviewing the Openspot by Shark RF. No images to hunt down, It runs D-Star, DMR & Fusion all in one box. Don’t fo... Read more

Equipment ORB Control Device, The Portable Online Remote Base Solution January 24, 2015 No comments

Are you tired of using your keyboard or mouse for TX control? Enhance your remote experience; talk on a remote using your microphone with PTT or pound... Read more

Ham Radio Go Box December 22, 2014 No comments

Ham Radio Go Box   Read more

Yaesu FT-818 6W HF/VHF/UHF All Mode Portable Transceiver February 23, 2018 No comments

FT-818 PRODUCT INFORMATION OVERVIEW   Due April 2018.   We are pleased to announce the new HF/VHF/UHF All Mode Portable Transceiver – FT-818.The... Read more

ColibriNANO USB SDR Receiver March 19, 2017 No comments

The New ColibriNano takes USB dongle SDR receivers to a new level. This is a direct sampling, high quality SDR receiver covering 100 kHz to 55 MHz wit... Read more

1:1 Current balun Dual core 1500 watts RTTY, 5KW ICAS December 19, 2015 No comments

1:1 dual core current balun Constructed using dual 240/31 cores.  Stainless steel hardware. 1-61MHZ With dual cores you get great frequency range, equ... Read more

Antenna W3DZZ Multi-band Antenna 80-40-20-15-10m January 14, 2015 No comments

Read on .pdf all information about the famous W3DZZ antenna  – Download Here Read more

2m 18 elements XPOL Yagi antenna PA144-XPOL-18-5 March 02, 2018 No comments

2m – 144MHz Dual Polarity Yagi Antenna PA144-XPOL-18-5. Wideband operation 144 – 145 MHz. Cross Polarized “XPOL” Yagi antenna... Read more

Antenna experiment – Fractal Quad for 28 Mhz band March 07, 2015 No comments

  “After reading many antenna articles in the Internet and a couple ARRL antenna books I got interested in physically small HF antennas. My... Read more

NVIS: Near Vertical Incidence Skywave [ PodCast ] November 09, 2017 No comments

Sometimes the best direction to send your signal is straight up! Near vertical incidence skywave, or NVIS, is a skywave radio-wave propagation path th... Read more

Ham Radio Anthology : Antennas 1973-1975 July 19, 2015 No comments

Carefully selected, these first two antenna anthologies cover all types of antenna designs and theory from 160 meters through microwaves. All articles... Read more

App - Mobile A New App Visualizes the Radio Waves All Around Us December 07, 2015 No comments

Radio Waves The modern world is awash in a sea of radio waves — currents of electromagnetic radiation upon which our digital lives depend. What if you... Read more

QRZ.com App for Android now in Beta Testing May 07, 2018 No comments

 The updates to QRZ’s Android App, formerly known as QRZDroid have been released and are available to those who are interested in trying it out.... Read more

Nifty app uses Morse code to send Apple Watch messages January 27, 2016 No comments

Although there are ways of messaging people with the Apple Watch — either with Siri dictation, or using pre-written responses and emojis — as far as I... Read more

AmsatDroid FREE – APP October 05, 2015 No comments

This software predicts future passes for amateur radio satellites for a specified location and period of time. Basic features: – Calculate passe... Read more

EchoLink for iOS version 2.6.14 is now available March 13, 2018 No comments

EchoLink for iOS version 2.6.14 is now available in the App Store. This is a 64-bit build that is fully compatible with iOS 10 and modern iOS devices.... Read more

CQ World Wide Contest Rules Updated for 2018 Contest Season

Thu, 07/12/2018 - 14:39

CQ has announced that, effective with 2018 contests, some modifications to the CQ World Wide Contest rules have been developed and approved by the contest committee.

  • The “busted call/NIL” penalty is reduced from 3× to 2×.
  • Email addresses for log submissions have been removed, and the committee now “strongly prefers” using web uploads to submit logs. Paper logs will still be accepted.
  • The 10× penalty for “rubber clocking” with MS/M2 entries has been eliminated, although the committee “will continue to vigorously pursue time abuses.”
  • The observer program has been eliminated. “Given the absence of a reasonable pool of volunteers and supporting funding, the program has proven to be impractical,” CQ said.
  • The top entry in the “Rookie” category will be awarded on a one-time-only basis. Previous Rookie winners are ineligible for plaques in this category.

Submit questions via the CQ WW “Contact Form” page. — Thanks to John Dorr, K1AR, CQ World Wide Contest Director

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); VHF Like Father, Like Son: Michigan Ham Wraps Up Grid Master Award December 29, 2014 No comments

Satellite enthusiast Doug Papay, KD8CAO, of Zeeland, Michigan, has worked all 488 US grid squares via satellite and has been granted Grid Master Award... Read more

Icom IC-DPR100 January 25, 2015 No comments

Icom IC-DPR100-vehicle type digital simple radio of easy-to-use high output 5W only registration process. Advanced operability, new IC-DPR100 with onb... Read more

SR10 – Bluetooth® Two-way Radio Adapter January 26, 2015 No comments

  The SR10 is a Bluetooth Two-way Radio Adapter based on Bluetooth 2.1+EDR technology. You can connect various two-way radio devices in the marke... Read more

Icom ID-4100A – 50W VHF/UHF Dual Band February 18, 2017 No comments

Icom ID-4100A 50W VHF/UHF Dual Band Transceiver Reservation Placing an order for this reservation entitles you to right of refusal on a first-come-fir... Read more

Anytone TERMN-8R Dual Band (VHF/UHF) Analog Portable Two-Way Radio February 23, 2015 No comments

Anytone TERMN-8R THE FIRST RADIO FOR AMATEUR, COMMERCIAL, AND PUBLIC USEThe most versatile two way radio on the market, certified for use for commerci... Read more

Introducing The Android HT September 26, 2016 No comments

by Bob K0NR “Some exciting news wandered into my inbox this past week concerning a handheld radio driven by the Android operating system. The RF... Read more

Antenna M2 Antenna 1330LP11 – HF Log Periodic June 30, 2015 No comments

HF Log Periodic SPECIFICATIONS: Model 10-30LP12 Frequency Range 10.0-30.0 MHz Gain 6.8 dBi / 11.6 dBi @ 45′ Front to Back 20 dB Typical Usable R... Read more

Big Wheel Antenna for 2m, 70cm and 6m July 06, 2015 No comments

The “Big Wheel” is a horizontal polarized omni directional antenna. Usually highly directional antennas are used on VHF and UHF, which hav... Read more

The CDAA Antenna and the Wullenweber January 30, 2015 No comments

A CDAA  of which the Wullenweber is a type, consists of a group of omnidirectional antennas symmetrically spaced about the periphery of a circular ref... Read more

BWDS Base Broadband HF Folded Dipole Antenna January 11, 2015 No comments

Barker & Williamson’s BWDS series of broadband folded dipole antennas, together with our MK114  or MK112 mast systems, gives rear tactical a... Read more

Jim W6LG Shows How He Connects 2 HF Antennas at the Same Time December 19, 2017 No comments

JIm, W6LG shows how he recently used 2 off the shelf coax switches to connect 2 antennas to his transceiver at the same time. This simple solution rep... Read more

Momobeam MB9 12/17/30 Antenna for Warc Bands November 13, 2014 No comments

  New Momobeam MB9 12/17/30 antenna for warc bands without compromises. The MB9 12-17-30 is a big and solid fullsize antenna for the WARC bands o... Read more

Review Icom IC 7851 vs IC 7800 Local Oscillator C N Characteristics Comparison December 16, 2015 No comments

Icom IC 7851 vs IC 7800 Video from Icom Inc. showing a local oscillator C/N characteristics comparison between Icom’s IC-7851 and IC-7800 HF/50/... Read more

Baofeng DM-5R DMR Radio – Unboxing & First Impressions October 16, 2016 No comments

BaoFeng DM-5R DMR Digital Radio VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power 21CM Dual Band Antenna 8-Level Stepped F... Read more

Yaesu FT-891 HF/50MHz – Review November 01, 2016 No comments

FT-891 HF+50Mhz ALL MODE MOBILE TRANSCEIVER The FT-891 HF All Mode Mobile Transceiver once again continues Yaesu‘s legacy for legendary receiver... Read more

Home-Brew HF SDR Receiver by G0ETP February 26, 2017 No comments

Key Features There are a lot of home brew SDR-related projects on the internet at the moment. I believe the key features of this project are: Small bu... Read more

Icom IC-7300 vs Yaesu FT-991 80m SSB Comparison March 14, 2016 No comments

Hear a comparison of the Icom IC-7300 vs Yaesu FT-991 on 80m SSB.   Read more

Simple SWR Indicator for QRP August 22, 2017 No comments

Simple SWR Indicator for QRP, just a ferrite, a wire and a LED. Read more

App - Mobile Repeater Database APP ( IOS and Android ) – Now includes over 35 countries December 18, 2014 No comments

  Repeater Database “RepeaterBook – The Free Repeater Directory for the USA and Canada. Powered by the popular community database of... Read more

ATNO Alert – App for DXer´s August 10, 2016 No comments

This app was developed to help HAMs during DX operation, cluster viewing and award tracking. Main Features: * Send alerts to user devices – Our backgr... Read more

iSDR for Iphone and Ipad December 16, 2014 No comments

  iSDR is a software defined radio application compatible with the iPhone®, iPod touch® and iPad™. iSDR is designed for experimenters, shortwave... Read more

Free App Allows Blind Hams to Work PSK31 April 05, 2017 No comments

A free, new app — Accessible Digipan — has been released that allows blind hams to operate PSK31. The download includes the app, audio tutorials, deta... Read more

What is Echolink? Ham Radio 2.0: Episode 56 September 01, 2016 No comments

Mark Goodrum, W5MHG, discusses Echolink for Ham Radio at the Duke City Hamfest Read more

Rfinder for Visually Impaired on Android June 13, 2015 No comments

Rfinder Tom W3ZX, a visually impaired ham gives a great demo on Android using TalkBack for the visually impaired. See More: http://www.rfinder.net/blo... Read more

WRTC Call Sign mystery revealed !

Thu, 07/12/2018 - 10:03
WRTC call sign mystery revealed

A well kept secret of the WRTC-2018 to be held in Germany next weekend finally was revealed last night.
Some minutes after midnight local time, the German regulatory authority BNETZA (similar to the OFCOM in the UK) published an official statement concerning the assignation of special callsigns to the participants of the competition.

According to that statement, the call sign block Y2A to Y9Z can be used by the contesters. There will be a lottery which team gets what callsign before the contest starts.

The Y2 block was formerly used by communist East Germany, the late “German Democratic Repbublic” which perished in 1990. For more than 28 years, these old call signs have never been issued again until now.

The original statement can be seen here (in German Language):

RADIO DARC, the voice of the German Amateur Radio Club, will broadcast a special DX magazine to North America on Saturday, 14th of July from 11:00 – 13:00 hrs UTC and will cover all background information concerning the WRTC. A rented 300 kW transmitter on 13860 kHz will be used. For Europe, the frequency is 6070 kHz with 300 kW also.

 

(adsbygoogle = window.adsbygoogle || []).push({}); Antenna Diamond HFV-5 – 5-Band (40/20/15/10/6) Limited Space Trapped Dipole June 22, 2015 No comments

Trapped Dipole 5-Band (40/20/15/10/6) Limited Space Trapped Dipole Detailed Description 5-Band Limited Space Trapped Dipole Bands: 40/20/15/10/6M Mast... Read more

Robot Adds New Twist to NIST Antenna Measurements and Calibrations December 08, 2015 No comments

The National Institute of Standards and Technology (NIST) has been pioneering antenna measurement methods for decades, but a new robot may be the ulti... Read more

2/2 (4) element 7/10MHz Yagi (3.9m) Force12 Antennas March 12, 2015 No comments

  Force12 Antennas  – A super-compact dualband 7/10MHz WARC band Yagi with single feedpoint The 4-LFAR-40/30, an Excellent super-compact Du... Read more

ULTRA LIGHTWEIGHT D-HEXPEDITION PORTABLE HEXBEAM September 08, 2015 No comments

The worlds lightest commercial G3TXQ Hexbeam at only 6KG specially designed with DX-peditions in mind. Main antenna features: THIS IS NOT A KIT, ready... Read more

Cushcraft MA6VA – Six-Band Restricted-Space Vertical Antenna August 13, 2015 No comments

  The Cushcraft MA6VA provides amazing coverage, great versatility and incredible performance with an addition of 6 meters. Enjoy the antenna con... Read more

Antenna Lifting Kite May 13, 2015 No comments

  Antenna Lifting Kite One of the most enjoyable portable activities that you can do with the family or alone is using a kite-borne antenna. I ha... Read more

VHF How to work amateur radio satellites with your handheld (HT) radio December 14, 2014 No comments

  How to work amateur radio satellites with your handheld (HT) radio Visit the Worldwide Radio Forum at worldwidedx.com   Read more

How to Build your own DMR Digital Radio Code Plug – Ham Radio Q&A February 20, 2018 No comments

“A DMR radio isn’t any good if it doesn’t have any frequencies or channels programmed into it. Programming your first DMR radio might feel a lit... Read more

AC6V’s GUIDE TO FM REPEATERS January 11, 2015 No comments

  AC6V’s GUIDE TO FM REPEATERS This book is six months in the writing and features the advice of several noted Amateurs and technical gurus... Read more

Vitai VT-5188 January 30, 2015 No comments

  Vitai VT-5188 1. Frequency Range: VHF: 136-174MHz/245-245.9875Mhz                     UHF: 400-480MHz 2. Output Power: VHF: 10W/25W/60W        ... Read more

Portable Repeater Controller April 09, 2018 No comments

This microprocessor-based Portable Repeater Controller was designed to quickly build a fully functional repeater ‘in the field’ in less th... Read more

D4C – UHF: Update on 1296MHz beacon project November 23, 2015 No comments

“As anticipated in our post of 5th of August, we are continuously working in the project to bring to Cape Verde a 23 cm beacon on 1296.836 MHz t... Read more

Review Baofeng BF-F8HP Radio Review August 05, 2015 No comments

Baofeng BF-F8HP   “The following video is a detailed look at the Baofeng BF-F8HP dual band portable two-way radio. Topics covered in this v... Read more

Kenwood TH-D74 VS Icom ID 51A [ Video ] June 02, 2017 No comments

Read more

YAESU FT- 891 First Test [ Video ] October 05, 2016 No comments

FT-891 HF+50Mhz ALL MODE MOBILE TRANSCEIVER The FT-891 HF All Mode Mobile Transceiver once again continues Yaesu’s legacy for legendary receiver... Read more

Expert Sun MB1 SDR Transceiver 160m – 2m [ Video ] February 07, 2016 No comments

Details of the new Expert Sun MB1 SDR Transceiver. It covers 160m to 2m and delivers 125W on the HF bands and 60W on 2m. This radio is available from... Read more

Getting Started with Chameleon F-LOOP 2.0 Magloop Antenna December 02, 2017 No comments

The CHA F-LOOP 2.0 was designed with portability, ease of use simplicity, ruggedness and high performance in mind. Unlike any other similar antennas o... Read more

Unboxing and Testing the Kenwood TH-D74A Triband DSTAR HT : Ham Radio 2.0 October 18, 2016 No comments

Kenwood has upgraded their game and jumped onto the DSTAR bandwagon. This Triband HT includes the 220MHz band, and is capable of DSTAR on all 3 bands.... Read more

Equipment DB1NTO APRS Transceiver November 12, 2015 No comments

DB1NTO APRS Transceiver After a few months of development, I can now imagine the presumably world’s smallest APRS transceiver. It is not only ab... Read more

1:1 Current balun Dual core 1500 watts RTTY, 5KW ICAS December 19, 2015 No comments

1:1 dual core current balun Constructed using dual 240/31 cores.  Stainless steel hardware. 1-61MHZ With dual cores you get great frequency range, equ... Read more

The One Person Antenna Raiser by KL7JR January 30, 2015 No comments

  The One Person Antenna Raiser Like to operate portable? Do you have trouble finding help for antenna raising at your QTH? This may just be the... Read more

MFJ-939 Plug&Play IntelliTuner Automatic Antenna Tuner June 14, 2015 No comments

  MFJ-939 Plug&Play IntelliTuner Automatic Antenna Tuner Plug & Play Auto TunerPlug & Play! You won’t even know it’s there . . . MFJ-... Read more

Hilberling HPA-8000B-54 Power Amplifier May 08, 2017 No comments

HPA-8000B-54 1kW Out Linear Amplifier 1.8 … 54 MHz Amateur Radio Bands 160 / 80 / 40 / 30 / 20 17 / 15 / 12 / 10 / 6 m All-Mode AM / FM / SSB /... Read more

Stryker SR-94 HPC – “Coming Soon” May 11, 2016 No comments

Stryker SR-94 HPC FULL Featured Radio! 45+ Watts PEP AM / FM 10 & 12 Meters PC Programmable CTCSS / Rep Offsets MIC / RF Gain Controls RF Power Hi... Read more

Some ARRL Contest Award Certificates Now Available for Download

Thu, 07/12/2018 - 09:01

The ARRL Contest Branch has announced that some contest award certificates now are available for download from the ARRL website in PDF and JPEG formats. Just enter the call sign. 

ARRL Contest Branch Manager Bart Jahnke, W9JJ, credited “the extraordinary efforts of Bruce Horn, WA7BNM, together with Trey Garlough, N5KO; Ward Silver, N0AX, and the ARRL IT team,” for making this a reality.

Currently available certificates are for the 2017 IARU HF Championship, the 2017 ARRL 222 MHz and Up Distance Contest, and the 2017 ARRL September VHF Contest.

“Future certificates for more current events, as well as past events going back well over a decade, will be made available in the next few weeks,” Jahnke said. “This new online certificate feature will offer enhanced content over what has been offered previously on ARRL certificates, and makes certificates available to a greater number of participants. New recognitions have been added for Top 10 participants in a broader number of geographical (country, Division, Section) or categorical entries.”

New online event certificates will be announced as they are released.

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Review Icom IC-7851 Transceiver – ARRL Review – QST October 11, 2016 No comments

Contesters and DXers are always looking for that competitive edge to magically pull out the weak signal that is either the rare country or multiplier... Read more

Unboxing TYT MD-380 – HRN 267 August 31, 2016 No comments

Unboxing a TYT MD-380 DMR HT, and a lot more rambling (because we don’t do unboxings). I also talk about the BTech (BaoFeng) UV 5×3 tri-ban... Read more

Using the MFJ-1788 Mag Loop Antenna Horizontally June 07, 2018 No comments

“I test the MFJ-1788 in a horizontal position on my rooftop. The performance is great on 20m. I used an MFJ Cobweb antenna as the comparison ant... Read more

Learning The HF Bands: 10 meters/28mhz, An Introduction to HF January 03, 2018 No comments

“This is where you start. Video #1. I have done a quick video on each one of the HF bands to educate the newcomer to the hobby or for anyone who... Read more

MFJ-998 automatic antenna tuner 1500 Watts – Review and Setup June 18, 2017 No comments

Full 1500 watts SSB/CW…Digital & Analog SWR/WattMeter . . .  All features of MFJ IntelliTuners– Ultra-fast, Safe Automatic Tuning . . . Wide... Read more

RSPduo gives outstanding results vs a rig costing 10X the price! June 13, 2018 No comments

This video, released today by AE5X shows how well the RSPduo performs up against the Flex6300: Read more

Equipment Ameritron AL-82 AMPLIFIER – TWO 3-500Z June 04, 2015 No comments

Ameritron AL-82 Ameritron`s Dual 3-500Z AmplifierThe Ameritron AL-82 Linear Amplifier is designed to give you years of trouble free service at the ful... Read more

Build a 25’-50’ free standing Tilt then Crank up tower antenna February 28, 2016 No comments

Build a 25’-50’ free standing tower Detailed Description You will receive the drawing package so you can build your own tilt up tower. To be used for... Read more

ANAN-200D HF + 6M 100W ALL MODE SDR TRANSCEIVER November 04, 2014 No comments

 SDR TRANSCEIVER The ANAN-200D is The most powerful Amateur Radio Transceiver available today, it builds on the very successful OpenHPSDR Hermes and t... Read more

How To Build A QRP Dummy Load by K7AGE April 06, 2017 No comments

“In this video, I build a simple QRP Dummy Load that is good for up to 20 watts. It even has test point that you can use a meter to measure the... Read more

Logikit SCAF-1 – the Deceptively Simple Filter February 17, 2015 No comments

  Tired of noise? Noise that isn’t the signal you want to copy? White noise, line noise, hiss? And off frequency stuff you don’t want... Read more

New ICOM IC 7300 ( ENGLISH VERSION ) August 24, 2015 No comments

 ICOM IC 7300 High Quality Real-Time Spectrum Scope RF Direct Sampling System Class Leading Phase Noise Characteristics Large Touch Screen Color TFT L... Read more

Antenna MFJ-1835 Cobweb assembly by two beginners June 08, 2017 No comments

Danielle’s back!! This time she’s hosting the show and got a little help from her friends to put together an MFJ-1835 Cobweb antenna Read more

Basics of building HF/VHF cubical quad antennas January 04, 2015 No comments

Basics of building HF/VHF cubical quad antenas Read more

The Double Bazooka Antenna – A Review October 04, 2015 No comments

Here is a review of the 40 and 80 meter band Double Bazooka antennas as used on the HF shortwave bands. This will be of interest to amateur (ham) radi... Read more

OCF-8010E-3K OCF Antenna Windom 80/40/30/20/15/12/10m July 17, 2015 No comments

This is OCF antenna also known as Windom antenna fed at 19% of one end. Current type 4:1 (200:50 Ohms) BALUN is another product designed for OCF anten... Read more

2 Meter Extreme Dream Beam Antenna by KG5ABL October 07, 2015 No comments

  Read more

Antenna Dinamica 3el Yagi 6 to 40 meters February 15, 2015 No comments

Price 2790  Euro See More Antenna Dinamica: Link     Read more

News FCC Administrative Law Judge Dismisses Radio Amateur’s Long-Standing License Renewal Application July 16, 2018 No comments

[UPDATED 2018-07-12 @ 1937 UTC — This story corrects some incorrect statements included in an earlier post.] A California man embroiled in a lon... Read more

Final Preparations Under Way for Youth on the Air 2018 in South Africa July 16, 2018 No comments

With just weeks to go until the Youngsters on the Air (YOTA) international event, YOTA South Africa 2018 gets under way. The South African Amateur Rad... Read more

Radio Amateurs of Canada Puts Members on Alert for Tropical Storm Chris July 10, 2018 No comments

Radio Amateurs of Canada (RAC) says Tropical Storm Chris (TS Chris) — still meandering off the Carolinas — could threaten the Canadian Maritime Provin... Read more

The August Edition of Digital QST is Now Available! July 10, 2018 No comments

The August edition of Digital QST is now available for viewing on your desktop or laptop. Click here to view the issue. It is also available for readi... Read more

It’s Nikola Tesla’s Birthday July 10, 2018 No comments

Inventor Nikola Tesla contributed to the development of the alternating-current electrical system that’s widely used today and discovered the ro... Read more

RADIO DARC special coverage of WRTC 2018 July 10, 2018 No comments

With 300kW from Wittenberg via Vienna to North America On the occasion of WRTC 2018 RADIO DARC will broadcast two special programs: Saturday, July 14t... Read more

Radio Amateurs of Canada Puts Members on Alert for Tropical Storm Chris

Tue, 07/10/2018 - 11:22

Radio Amateurs of Canada (RAC) says Tropical Storm Chris (TS Chris) — still meandering off the Carolinas — could threaten the Canadian Maritime Provinces and Newfoundland. The storm is on track for a direct hit on the Maritimes and Newfoundland for late Wednesday, July 11, and early on Friday, July 13, for Newfoundland. RAC Vice President and Community Services Officer Doug Mercer, VO1DM, who is IARU Region 2 Emergency Coordinator, said he was keeping an eye on the storm’s progress.

“Operators are advised to prepare their homes for high winds and rain, and, when able, to monitor local repeaters, the IARU Center of Activity Frequencies, and the Hurricane Watch Net (HWN) to provide local information,” he said.

As of 0900 UTC, TS Chris was some 200 miles south-southeast of Cape Hatteras, North Carolina, with maximum sustained winds of 70 MPH. The storm is moving slowly to the northeast at 2 MPH. The National Hurricane Center (NHC) is urging interests along the coast of North Carolina and in Atlantic Canada to monitor the progress of the weather system, which could have some impact along the northern New England coast.

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment Antennas and bands programmable controller LBC8ARD – MomoBeam December 08, 2016 No comments

LBC8ARD 8 DIRECTION CONTROLLER programmable for any remote relay switches and controlers; Easily programmable to control equipment of: LowBandSystems... Read more

Amptec HF2015DX Amplifier [ First Video ] June 24, 2016 No comments

Amptec HF2015DX Video 1 Video 2   Read more

HAL1200 Atlantic – HF linear amplifier July 16, 2015 No comments

HF linear amplifier Specifications Frequency : 1.8 ~ 54 MHz, all Amateur Bands including WARC Automatic Band Change: only PTT/TXGND Signal, or with de... Read more

EMTRON DX-3SP – HF Amplifier ( 4.5Kw ) January 10, 2015 No comments

  The “Big Gun” is getting even bigger, with the new DX-3SP! With over 4000 Watts CW and more then 4500 Watts SSB, this QRO muscle amp is... Read more

YAESU SMB-201 DESKTOP COOLING FAN – Compatible With FTM-400DR, FT-8900R, FT-8800R & FT-7900R June 11, 2015 No comments

YAESU SMB-201 With so many diverse ways to enjoy Amateur Radio such as WIRES-X and packet operation, transceivers are now having to deal with increase... Read more

Uniden SDS100 – Coming Soon March 19, 2018 No comments

Uniden creates another first with the SDS100 True I/Q Scanner, the first scanner to incorporate Software Defined Radio technology to provide incredibl... Read more

VHF NSTIG-8R Dual Band (VHF/UHF) Analog Portable Two-Way Radio March 10, 2015 No comments

  VERSATILE RADIO FOR AMATEUR AND COMMERCIAL USEThe NSTIG-8R is certified for use on commercial and amateur frequencies. The NSTIG-8R is FCC Cert... Read more

FM / VHF Operating Guide by K0NR June 29, 2015 No comments

FM/ VHF Operating Guide By Bob Witte, KØNR This guide is intended to assist new amateur radio operators in figuring out what VHF FM and repeater opera... Read more

TYT MD-2017 Dual Band DMR February 15, 2017 No comments

TYT just released the first ever image of the upcoming TYT MD-2017 dual band DMR handheld radio. TYT MD-2017 Dual Band DMR Dual time slot for point to... Read more

Ham Radio Smartphone! Outfone Rangerfone S15 Android VHF/UHF December 04, 2016 No comments

  SpecificationFeaturesAccessories S15 Rugged Outdoor phone Specification Basic Parameter Model Rangerfone S15 Color Black Design Bar OS Android... Read more

Hytera X1P – Two Way Radio ( VHF and UHF ) March 19, 2015 No comments

    Hytera X1p two way radio, ultra-thin full power keypad digital portable radio, complies fully with ETSI open standard. Perfect combination of... Read more

Baofeng For Dummies: UV5R+ HAM Radio Tutorial August 05, 2015 No comments

Baofeng Watch in HD! Today I show you how I use my HAM radios to listen in to local police, fire and EMS. Also handy for receiving weather radio and t... Read more

Review TYT MD-2017 Dual Band DMR and MFJ-849 Digital SWR Watt Meter BY K6UDA July 02, 2017 No comments

“Curiosity got the best of me. I finally ordered a DMR handheld radio and picked the new TYT MD-2017 UHF/VHF DMR Analog unit. I’ve never u... Read more

First Impressions Of Kenwood TH D74 by K6UDA October 14, 2016 No comments

Kenwood TH D74   Read more

Icom IC-7851 Transceiver – ARRL Review – QST October 11, 2016 No comments

Contesters and DXers are always looking for that competitive edge to magically pull out the weak signal that is either the rare country or multiplier... Read more

Baofeng DM-5R DMR Radio Test and Review November 18, 2016 No comments

DM-5R — BaoFeng’s FIRST DMR Digital Radio & The FIRST DUAL BAND DMR Digital Radio! Crystal Clear Sound Quality The BaoFeng DM-5R featu... Read more

SDRPlay RSP-1A VS Airspy HF+ February 05, 2018 No comments

“Comparing reception of two popular SDR Receivers using the same antenna at 5 PM local time. Short wave and medium wave frequencies. Using the s... Read more

Baofeng BF-F8HP Dual Band UHF/VHF – 8 Watt output [ Video ] July 11, 2015 No comments

 Baofeng BF-F8HP Read more

App - Mobile Antenna Tool App – Android November 19, 2014 No comments

A tool to help ham radio, CB, and other radio users to create antennas of various types. Calculations available for dipole, vertical (1/8, 1/4, 3/8, 1... Read more

AmsatDroid FREE – APP October 05, 2015 No comments

This software predicts future passes for amateur radio satellites for a specified location and period of time. Basic features: – Calculate passe... Read more

Tutorial – Using the new routing function in RT Systems featuring RFinder March 29, 2015 No comments

    Once again RFinder and RT Systems have partnered to kick radio programming up a notch. This tutorial will show you how to get the most o... Read more

OpenHPSDR Radio – Android App December 08, 2014 No comments

  Check this new app on Google Play Software Defined Radio. Supports the following hardware: HPSDR Atlas based systems using Metis. HPSDR Hermes... Read more

Ham GeoTool APP November 13, 2015 No comments

A tool all-in-one for the radio amateur in Portugal and Spain created for personal use but at the last JOTA / JOTI, was released at the request of som... Read more

EchoLink for iOS version 2.2 is now available February 09, 2017 No comments

Photo:K5TRA EchoLink for iOS version 2.2 is now available in the App Store. This is a 64-bit build that is fully compatible with iOS 10 and modern iOS... Read more

The August Edition of Digital QST is Now Available!

Tue, 07/10/2018 - 06:56

The August edition of Digital QST is now available for viewing on your desktop or laptop. Click here to view the issue. It is also available for reading on your Apple, Android, or Kindle Fire device.

● See images – and new products – from the 2018 Dayton Hamvention.

● Try a novel approach to using windowed feed lines.

● Build a two-element Yagi antenna for 17 meters.

● Learn the symbolism behind the FCC Seal.

…and much more!

Enjoy Content You Won’t Find in the Print Edition…

● See our video demonstration of the HF Signals BITX40 40-meter SSB transceiver.

Every issue of QST is filled with the news and features you need to keep active in Amateur Radio.

(adsbygoogle = window.adsbygoogle || []).push({});

Antenna Yagi Antenna GXP-7 (7 elements 5 bands) December 30, 2014 No comments

  Resonant frequency [Resonance frequency]: 28, 21, 14 MHz Frequency [Frequency]: 24, 18 MHz Logoperiodic Number of elements [Number of elements]... Read more

MONSTER YAGI FOR 20M December 03, 2015 No comments

A 5 element wide spaced yagi for the 20m long path to Europe was installed at ZL6QH in May 2005. A photo of this “monster” antenna is show... Read more

Vari-Ten Wire Antenna Tensioners November 28, 2014 No comments

Our wire antenna tensioner is a high quality variable tensioning device that absorbs the shock on amateur radio antennas when the support trees sway i... Read more

Touch Screen Antenna Controller January 17, 2017 No comments

“The following manual will show the features and how to use the new antenna electronic controller that, as you will see, it is by far the most s... Read more

Jim W6LG Shows How He Connects 2 HF Antennas at the Same Time December 19, 2017 No comments

JIm, W6LG shows how he recently used 2 off the shelf coax switches to connect 2 antennas to his transceiver at the same time. This simple solution rep... Read more

New ! SteppIR SARK-110 Antenna Analyzer December 28, 2014 No comments

  The SARK-110 is a completely new design concept for an Antenna Analyzer. This is a truly pocket size device, so you can take it anywhere. It of... Read more

Review RF Loss – The Doctor Will See You Now! May 11, 2018 No comments

“RF Loss” is the topic of the latest (May 10) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Engineering, “AR... Read more

DMR Smartphone RFinder K1 – Review And Demo – Android DMR UHF April 15, 2018 No comments

Here is a video on my latest device which I use daily. The RFinder K1 UHF DMR Smartphone. A completely new design, new motherboard, great look and fee... Read more

Unboxing TYT MD-380 – HRN 267 August 31, 2016 No comments

Unboxing a TYT MD-380 DMR HT, and a lot more rambling (because we don’t do unboxings). I also talk about the BTech (BaoFeng) UV 5×3 tri-ban... Read more

How to measure current March 29, 2016 No comments

It is often necessary to know how to measure current using a multimeter. Current measurements are easy to make, but they are done in a slightly differ... Read more

SMΩRF RF Vector Power Meter by microHAM [ Video ] December 02, 2016 No comments

SMΩRF™ is the vector power meter. Connects to the power RF signal by remote sensor, available in several models for power levels up to 12KW and freque... Read more

Geochron Digital 4k UHD Review June 11, 2018 No comments

“This is the ultimate jewelry for your dream ham shack! The Geochron Digital 4k UHD gives viewers beautiful displays of the Earth with the sunri... Read more

VHF PJ4VHF Listen D4C/B – Transatlantic Beacon reception on 144 MHz May 10, 2015 No comments

  A post on the D4C Facebook page says:  On May 6, 2015 history was made on contact across the Atlantic on VHF bands on the W-E path: The new D4C... Read more

TYT TH-9000D – VHF March 29, 2016 No comments

The TYT TH-9000 is the Amateur compliant transceiver, with commercial grade features.   This radio can be used on the BC Forest Logging Roads, and can... Read more

VR-P25 Power Amplifier for Handheld Radios September 13, 2017 No comments

VR-P25 is a portable, lightweight, Wide coverage RF booster amplifier for Handheld Radio equipment, proprietary and emerging waveforms. Two Way Radio... Read more

Radioddity GD-55 UHF Waterproof DMR Digital Radio, with GPS Function! 10W with 2800mAh Lithium Polymer (Li-Po) Battery September 15, 2016 No comments

Introducing the Radioddity GD-55, A Tougher DMR Radioddity’s first proprietary radio is designed to meet the most demanding of conditions, and dole ou... Read more

Motorola Announces New Two-Way Radio for Use Extreme Conditions April 27, 2016 No comments

Motorola Solutions continues to design digital radio solutions for firefighters and has added the APX 8000XE two-way radio and APX XE500 RSM to its li... Read more

Yaesu FT-25R February 07, 2017 No comments

Yaesu FT-25R The Yaesu FT-25R is a rugged, lightweight and compact VHF handheld transceiver that offers up to 5W of output power along with lower powe... Read more

News FCC Administrative Law Judge Dismisses Radio Amateur’s Long-Standing License Renewal Application July 16, 2018 No comments

[UPDATED 2018-07-12 @ 1937 UTC — This story corrects some incorrect statements included in an earlier post.] A California man embroiled in a lon... Read more

Final Preparations Under Way for Youth on the Air 2018 in South Africa July 16, 2018 No comments

With just weeks to go until the Youngsters on the Air (YOTA) international event, YOTA South Africa 2018 gets under way. The South African Amateur Rad... Read more

Radio Amateurs of Canada Puts Members on Alert for Tropical Storm Chris July 10, 2018 No comments

Radio Amateurs of Canada (RAC) says Tropical Storm Chris (TS Chris) — still meandering off the Carolinas — could threaten the Canadian Maritime Provin... Read more

The August Edition of Digital QST is Now Available! July 10, 2018 No comments

The August edition of Digital QST is now available for viewing on your desktop or laptop. Click here to view the issue. It is also available for readi... Read more

It’s Nikola Tesla’s Birthday July 10, 2018 No comments

Inventor Nikola Tesla contributed to the development of the alternating-current electrical system that’s widely used today and discovered the ro... Read more

RADIO DARC special coverage of WRTC 2018 July 10, 2018 No comments

With 300kW from Wittenberg via Vienna to North America On the occasion of WRTC 2018 RADIO DARC will broadcast two special programs: Saturday, July 14t... Read more

It’s Nikola Tesla’s Birthday

Tue, 07/10/2018 - 06:42

Inventor Nikola Tesla contributed to the development of the alternating-current electrical system that’s widely used today and discovered the rotating magnetic field (the basis of most AC machinery).

Who Was Nikola Tesla?

Nikola Tesla (July 10, 1856 to January 7, 1943) was an engineer known for designing the alternating-current (AC) electric system, which is still the predominant electrical system used across the world today. He also created the “Tesla coil,” which is still used in radio technology. Born in what is now Croatia, Tesla came to the United States in 1884 and briefly worked with Thomas Edison before the two parted ways. He sold several patent rights, including those to his AC machinery, to George Westinghouse.

 

Nikola Tesla’s Inventions

Throughout his career, Tesla discovered, designed and developed ideas for a number of important inventions — most of which were officially patented by other inventors — including dynamos (electrical generators similar to batteries) and the induction motor. He was also a pioneer in the discovery of radar technology, X-ray technology, remote control and the rotating magnetic field — the basis of most AC machinery. Tesla is most well-known for his contributions in AC electricity and for the Tesla coil.

AC Electrical System

Tesla designed the alternating-current (AC) electrical system, which would quickly become the preeminent power system of the 20th century and has remained the worldwide standard ever since. In 1887, Tesla found funding for his new Tesla Electric Company, and by the end of the year he had successfully filed several patents for AC-based inventions.

Tesla’s AC system soon caught the attention of American engineer and businessman George Westinghouse, who was seeking a solution to supplying the nation with long-distance power. Convinced that Tesla’s inventions would help him achieve this, in 1888 he purchased his patents for $60,000 in cash and stock in the Westinghouse Corporation.

As interest in an AC system grew, Tesla and Westinghouse were put in direct competition with Thomas Edison, who was intent on selling his direct-current (DC) system to the nation. A negative-press campaign was soon waged by Edison, in an attempt to undermine interest in AC power. Unfortunately for Thomas Edison, the Westinghouse Corporation was chosen to supply the lighting at the 1893 World’s Columbian Exposition in Chicago, and Tesla conducted demonstrations of his AC system there.

Hydroelectric Power Plant

In 1895, Tesla designed what was among the first AC hydroelectric power plants in the United States, at Niagara Falls. The following year, it was used to power the city of Buffalo, New York — a feat that was highly publicized throughout the world and helped further AC electricity’s path to becoming the world’s power system.

The Tesla Coil

In the late 19th century, Tesla patented the “Tesla coil,” which laid the foundation for wireless technologies and is still used in radio technology today. The heart of an electrical circuit, the Tesla coil is an inductor used in many early radio transmission antennas. The coil works with a capacitor to resonate current and voltage from a power source across the circuit. Tesla himself used his coil to study fluorescence, x-rays, radio, wireless power and electromagnetism in the earth and its atmosphere. 

Tesla Motors & the Electric Car

In 2003, a group of engineers founded Tesla Motors, a car company named after Nikola Tesla dedicated to building the first fully electric-powered car. Entrepreneur and engineer Elon Musk contributed over $30 million to Tesla in 2004 and serves as the company’s co-founder CEO. In 2008, Tesla unveiled its first electric car, the Roadster. A high-performance sports vehicle, the Roadster helped changed the perception of what electric cars could be. In 2014, Tesla launched the Model S, a lower-priced model that, in 2017, set the Motor Trend world record for 0 to 60 miles per hour acceleration at 2.28 seconds. Tesla’s designs showed that an electric car could have the same performance as gasoline-powered sports car brands like Porsche and Lamborghini.

When and Where Was Nikola Tesla Born?

Nikola Tesla was born on July 10, 1856, in what is now Smiljan, Croatia.

Childhood and Education

Nikola Tesla was one of five children, including siblings Dane, Angelina, Milka and Marica. Tesla’s interest in electrical invention was spurred by his mother, Djuka Mandic, who invented small household appliances in her spare time while her son was growing up. Tesla’s father, Milutin Tesla, was a Serbian orthodox priest and a writer, and he pushed for his son to join the priesthood. But Nikola’s interests lay squarely in the sciences.

After studying at the Realschule, Karlstadt (later renamed the Johann-Rudolph-Glauber Realschule Karlstadt); the Polytechnic Institute in Graz, Austria; and the University of Prague during the 1870s, Tesla moved to Budapest, where for a time he worked at the Central Telephone Exchange. It was while in Budapest that the idea for the induction motor first came to Tesla, but after several years of trying to gain interest in his invention, at age 28 Tesla decided to leave Europe for America.

Tesla and Thomas Edison

In 1884 Tesla arrived in the United States with little more than the clothes on his back and a letter of introduction to famed inventor and business mogul Thomas Edison, whose DC-based electrical works were fast becoming the standard in the country. Edison hired Tesla, and the two men were soon working tirelessly alongside each other, making improvements to Edison’s inventions.

Several months later, the two parted ways due to a conflicting business-scientific relationship, attributed by historians to their incredibly different personalities: While Edison was a power figure who focused on marketing and financial success, Tesla was commercially out-of-tune and somewhat vulnerable.

First Solo Venture

In 1885, Tesla received funding for the Tesla Electric Light Company and was tasked by his investors to develop improved arc lighting. After successfully doing so, however, Tesla was forced out of the venture and for a time had to work as a manual laborer in order to survive.

His luck would change two years later, when he received funding for his new Tesla Electric Company.

Nikola Tesla’s Free Electricity Project

Having become obsessed with the wireless transmission of energy, around 1900 Nikola set to work on his boldest project yet: to build a global, wireless communication system — to be transmitted through a large electrical tower — for sharing information and providing free electricity throughout the world. With funding from a group of investors that included financial giant J. P. Morgan, in 1901 Tesla began work on the project in earnest, designing and building a lab with a power plant and a massive transmission tower on a site on Long Island, New York, that became known as Wardenclyffe.

However, doubts arose among his investors about the plausibility of Tesla’s system. As his rival, Guglielmo Marconi — with the financial support of Andrew Carnegie and Thomas Edison — continued to make great advances with his own radio technologies, Tesla had no choice but to abandon the project. The Wardenclyffe staff was laid off in 1906, and by 1915 the site had fallen into foreclosure. Two years later Tesla declared bankruptcy and the tower was dismantled and sold for scrap to help pay the debts he had accrued.

Death

Poor and reclusive, Nikola Tesla died on January 7, 1943, at the age of 86, in New York City, where he had lived for nearly 60 years. After suffering a nervous breakdown following the closure of his free energy project, Tesla eventually returned to work, primarily as a consultant. But as time went on, his ideas became progressively more outlandish and impractical. He grew increasingly eccentric, devoting much of his time to the care of wild pigeons in New York City’s parks. He even drew the attention of the FBI with his talk of building a powerful “death beam,” which had received some interest from the Soviet Union during World World II.

However the legacy of the work Tesla left behind him lives on to this day. In 1994, a street sign identifying “Nikola Tesla Corner” was installed near the site of his former New York City laboratory, at the intersection of 40th Street and 6th Avenue.

(adsbygoogle = window.adsbygoogle || []).push({}); Review Yaesu FT-991 HF – UHF Transceiver [ Video ] February 13, 2015 No comments

Universal-Radio presents the Yaesu FT-991 HF – UHF Transceiver       Read more

Where in the world is your antenna taking you today? February 25, 2017 No comments

“This time I’m exploring the world of wspr or weak signal propagation reporting and the new WSPRLITE transmitter from SOTABEAMS. Plus, Mac... Read more

The New ICOM IC-7610 in operation December 07, 2017 No comments

Opening and making a QSO with the new ICOM IC-7610 from DX Engineering in Tallmadge Ohio to Grass Valley, California. Tim Duffy, K3LR using the IC-761... Read more

Yaesu FT-DX3000 overview with G0TAN April 15, 2015 No comments

Yaesu FT-DX3000 overview with G0TAN     Read more

Putting the FLEX 6000 on the air December 08, 2016 No comments

A short video showing how easy it is to get a FLEX-6000 on the air by Al K0CN FlexRadio iOS Apple Application Review Read more

Equipment MRFX1K80H: 1800 W CW over 1.8-400 MHz, 65 V Wideband RF Power LDMOS Transistor January 25, 2018 No comments

The MRFX1K80H is the first device based on NXP’s new 65 V LDMOS technology that focuses on ease of use. This high ruggedness transistor is desig... Read more

Daiwa SWR & POWER METER CN-101L March 05, 2015 No comments

    Daiwa SWR & POWER METER CN-101L FREQUENCY:1.8~200MHz POWER RANGE:15/150/1500W INPUT CONNECTORS :M SWR and Power indicators are insta... Read more

NooElec NESDR Nano 3 – Premium Tiny July 19, 2017 No comments

Say goodbye to blocked USB ports! The tiny NESDR Nano 3 is the ideal SDR for portable and embedded applications. Quad SDRs on a Raspberry Pi? USB OTG?... Read more

GEK SSB HF Transceiver September 29, 2015 No comments

Project by N.Ganesan & I.Arun Silver series (Low range) for Beginners Gold series (Mid range) for Amateurs Diamond series (High range) for Profess... Read more

Electraft W2 Wattmeter May 09, 2016 No comments

Power & SWR LED bar graphs with peak/hold Four power ranges with auto/manual selection Up to 2 remote sensors with selection switch Compact size:... Read more

RADIO DARC special coverage of WRTC 2018

Tue, 07/10/2018 - 05:19

With 300kW from Wittenberg via Vienna to North America

On the occasion of WRTC 2018 RADIO DARC will broadcast two special programs:

Saturday, July 14th 2018 from 11:00 to 12:00 a.m. UTC in English on
6070 kHz for Europe and Western Asia with 300 kW output power
13860 kHz for North America with 300 kW output power

Sunday, July 15th 2018 from 09:00 to 10:00 a.m. UTC in German on
6070 kHz for Europe with 100 kW output power

Broadcasts are in AM on frequencies in the 49 and 22 Meter shortwave broadcast bands

The broadcast on 13860 kHz/300 kW is especially directed to the many people interested in WRTC who are located in North America. This frequency has been chosen because it is just 140 kHz below the 20 meter amateur band. The 6-hour time difference makes it possible for the show to serve as a “breakfast radio” with WRTC News on the East Coast of North America.

A high level of interest is expected from there as not only a total of 14 teams from North America did qualify but also the defending champions Daniel Craig (N6MJ) and Chris Hurlbut (KL9A) are coming from the
USA.

A day later, on Sunday the 15th, the second broadcast will start at 09:00 a.m. UTC. Both magazines, which can be received all over Europe including the Witenberg and Jessen area where WRTC 2018 takes place, will include reports from HAM journalists being on site at the WRTC 2018 venue area.

• We will present what the World Radio Team Championship is all about and how it works.
• Behind the scenes reports will cover the qualifying process, the competitors and their fouryear
preparation as well as the efforts of all the volunteers in this mammoth project.
• The contest rules and award programs will be explained.
• Some tips will be given on technology used to make those DX contacts and how to best
support WRTC participants in their quest to become WRTC champion.
• Last but not least The all important radio propagation report will complete the program.

The rented transmitters with an output of 300 kW are able to reach listeners in many parts of the world. They are located near Vienna, Austria.

The RADIO DARC program regularly airs on Sundays at 09:00 a.m. UTC on 6070 kHz and covers current news in amateur radio and short wave, equipment reports, technology tips and interviews along with a bit of varied music.

After the discontinuation of Deutsche Welle, VOA and other former SW stations, the weekly broadcast of RADIO DARC is unique in its magazine format worldwide.

Feel free to forwarding this message your home countries´ society and radio amateurs worldwide. Publishing on websites or email distribution lists is very much appreciated.
Contact for enquiries and reception reports: radio@darc.de

(adsbygoogle = window.adsbygoogle || []).push({});

Antenna JK Antennas JK65 6 Meter Yagi May 27, 2015 No comments

    6 Meter Yagi Want to be heard on 6? JK Antennas JK65 6-Meter Yagi Antennas give you tremendous VHF performance with very high gain on a... Read more

New ! SteppIR SARK-110 Antenna Analyzer December 28, 2014 No comments

  The SARK-110 is a completely new design concept for an Antenna Analyzer. This is a truly pocket size device, so you can take it anywhere. It of... Read more

100 Ft Balloon Antenna by KN9B January 07, 2016 No comments

100 Ft Balloon Antenna “Our radio club yearly Special Event (SE) has experienced low signal strength and poor signal reports. We needed a better... Read more

Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas GP-15 January 14, 2015 No comments

Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas provide good gain figures on the 6-meter, 2-meter, and 70-centimeter bands in a compact 7.9 foot p... Read more

TORNADO TUNER 80D – MOTOR TUNE DOUBLE COIL FOR 80 METER ROTATABLE DIPOLES March 31, 2015 No comments

  Tornado Tuner 80D being fitted onto a Force 12 Magnum 80 meter rotatable dipole as seen from underneath Price 659,95 – USD See More : Lin... Read more

Build the Pennyloop UHF Antenna March 02, 2015 No comments

by Pennyloop The Pennyloop UHF antenna offers high performance in a very simple and cost effective design. It is also a very compact design lending it... Read more

Review Introducing the RSP1A SDR from SDRPlay December 02, 2017 No comments

“The folks at SDRPlay were nice enough to send me their new RSP1A SDR. Some very significant upgrades come with this new model. Any of you still... Read more

How To Solder — Part 1and 2 by W6LG December 26, 2017 No comments

This is Part 1 of 3 videos about ‘How to Solder’. In this episode, Jim W6LG shows the tools that he uses when soldering. Soldering is part... Read more

YAESU FT- 891 First Test [ Video ] October 05, 2016 No comments

FT-891 HF+50Mhz ALL MODE MOBILE TRANSCEIVER The FT-891 HF All Mode Mobile Transceiver once again continues Yaesu’s legacy for legendary receiver... Read more

Raspberry Pi 3 projects for Ham Radio with 7 inches touchscreen November 05, 2017 No comments

This is a Raspberry Pi 3 kit with a 7 inches touchscreen that I build in about 30 minutes Read more

Kenwood TH-D74 VS Icom ID 51A [ Video ] June 02, 2017 No comments

Read more

The TAK-Tenna Review – A Limited Space HF Antenna February 23, 2015 No comments

“As you may know, a big percentage of this web site is dedicated to building antennas and not buying them, but sometimes an antenna comes along... Read more

Equipment ICOM IC-7610 – Pre-release Brochure May 19, 2017 No comments

ICOM IC-7610 The SDR Everyone Wants! Receivers Independent direct sampling receivers capable of receiving two bands/two modes simultaneously. DIGI-SEL... Read more

Inflatable Antenna Towers December 13, 2016 No comments

“Our inflatable antenna/video towers let you quickly put up antennas and/or video packages to extend or reinforce your coverage in a range of si... Read more

857Sprint portable battery pack system designed specifically for the yaesu FT-857D November 06, 2015 No comments

Yaesu FT-857D The 857sprint is a self contained tacticlal portable battery pack system designed specifically for the yaesu FT-857D amateur radio. (rad... Read more

ACOM 1010 160-10m amplifier December 11, 2014 No comments

  FEATURES Easy operation. The plate-load True Resistance Indicator (TRI) is an ACOM innovation that provides quick and precise tuning, typically... Read more

Hambuilder HBR4HF 4 Band HF Transceiver July 25, 2017 No comments

HBR4HF specification Heterodyne 10MHz Xtal filter exciter based on Hambuilder BritX exciter 300-25000Hz audio band pass active filter using NE5532 4 B... Read more

TitanSDR – 9 kHz to 32 MHz frequency coverage January 25, 2015 No comments

    TitanSDR Multichannel HF Receiver Parallel Demodulation, Recording and Analysis of up to 40 HF Emissions Applications Homeland security... Read more

Digital Modes Third Public Test of FT8 DXpediton Mode Deemed a Success May 09, 2018 No comments

The third public test of FT8 DXpedition Mode on May 5 is being called a success. The goal of the exercise was to simulate a rare DXpedition pileup on... Read more

Release: WSJT-X Version 1.9.0-rc4 April 29, 2018 No comments

Changes from WSJT-X Version 1.9.0-rc3 include the following: – Corrected a number of flaws in Fox and Hound behavior, FT8 DXpedition Mode... Read more

A New Spin on JT Alert HRD Logbook and WSJT X April 11, 2018 No comments

WSJT-X for rig control. There’s no need for HRD rig control to be running. Just HRD Logbook, WSJT-X and JT Alert. Read more

Second Public Test of FT8 DXpedition Mode Demonstrates High Contact Rates Possible April 10, 2018 No comments

The second public test of FT8 DXpedition Mode has shown that the mock DXpedition stations (“Foxes”) were able to work the pileups of callers (“Hounds”... Read more

MixW 4 is a new multi-mode, multi-platform software for radio amateurs. April 06, 2018 No comments

  MixW 4 is a new multi-mode, multi-platform software for radio amateurs. A completely new outlook. Tons of new features. JT65 and FT8 modes. Kiw... Read more

Second Test of FT8 DXpedition Mode Set for April 7 April 03, 2018 No comments

The second public test of FT8 DXpedition Mode will take place on April 7, and all radio amateurs are invited to participate. WSJT-X Developer Joe Tayl... Read more

The IARUMS Region 1 Newsletter June 2018 is now available.

Tue, 07/10/2018 - 05:11

Monitoring System

DK2OM – Wolf Hadel
Co-ordinator of IARUMS Region 1
Editor of the Newsletter
HB9CET – Peter Jost
Vice Co-ordinator of IARUMS Region 1

(adsbygoogle = window.adsbygoogle || []).push({}); Review Universal Radio presents the Kenwood TS-590SG November 16, 2016 No comments

Product Overview Be witness to the evolution of KENWOOD‘s pride and joy – the TS-590S HF transceiver – pushing performance and techn... Read more

FT8, Scope Kit , Pi Zero W : AmateurLogic 107 August 13, 2017 No comments

Peter operates the new FT8 Digital Mode from Joe Taylor. Tommy builds the DSO138 Scope Kit. George discusses the Raspberry Pi Zero W. Wayne build an A... Read more

PicoAPRS with GPS receiver December 18, 2017 No comments

“Worlds smallest APRS transceiver with TNC” offers many applications. Matchbox-sized, built-in GPS receiver. The transceiver can not only... Read more

Windom 40 Antenna By Chameleon Antenna February 27, 2017 No comments

Check out this video on the Windom 40 Antenna from Chameleon Antenna. This antenna is an off center dipole that was specifically designed for 40, 20 a... Read more

COMPLETE IC-7851 TEST REPORT NOW ON-LINE BY ADAM, VA7OJ/AB4OJ September 28, 2015 No comments

IC-7851 Test Report for IC-7851 July 1 and September 21-22, 2015 by Adam Farson VA7OJ/AB4OJ (Iss. 2) The following are the results obtained from lab t... Read more

Unboxing and Testing the BaofengTech UV-5X3 Triband HT October 11, 2016 No comments

BaofengTech has released a model called the UV-5X3, which is a Triband HT, including the 220MHz band. Let’s take a look at this radio, see how t... Read more

VHF Hytera AR-685 Handheld UHF, FM, DMR, GPS, 1 watt / 4 watts March 29, 2017 No comments

 The AR685 is fitted with a high-quality aluminum metal frame and still weighs only 310g.   The lithium-ion battery with 1500mAh allows at least 16 ho... Read more

Unboxing the VeroTel VR-6600PRO Mobile Radio – Ham Radio 2.0: Episode 18 October 13, 2015 No comments

Read more

Overview of 50 MHz status in ITU Region 1 (2016) February 15, 2016 No comments

IARU Region 1 has issued a new version of their Overview of 50 MHz Status document dated Feb 13, 2016 It shows which Region 1 countries currently have... Read more

DVMega and Pi-Star DMR Hotspot – Ham Radio Q&A March 01, 2018 No comments

“Don’t let the lack of a repeater keep you from playing with DMR or another digital mode. DMR repeaters are springing up everywhere. There are c... Read more

D4C / B VHF 144Mhz Beacon listen in Ireland ( EI ) May 21, 2015 No comments

      EI3KD and EI4DQ both spotted our 2m beacon from qth locator IO51 for a distance of almost 4200 km. At 15.11 Z of May 20th,2015 rs... Read more

BaoFeng DM-5R Dual Band DMR Digital Radio September 14, 2016 No comments

BaoFeng DM-5R DMR Digital Radio VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power 21CM Dual Band Antenna 8-Level Stepped F... Read more

Antenna TRI-BAND MOBILE ANTENNAS – NGC – Comet Antennas August 31, 2015 No comments

MOBILE ANTENNAS Fold-Over Hinge Most Comet mobile antennas over 29″ length have a fold-over hinge built into the base section of the antenna. It is NO... Read more

Universal DIY Carbon VHF Yagi Antenna February 15, 2017 No comments

  by:Jenny List “If you’ve ever cast your eye towards the rooftops, you’ll be familiar with the Yagi antenna. A dipole radiator with a refl... Read more

The F-LOOP Antenna 5.3-29.7 MHz May 19, 2015 No comments

  The F-LOOP was designed with weight, durability, portability, versatility and cost in mind. The unique craftsmanship of the CHA F-LOOP distingu... Read more

W3DZZ Multi-band Antenna 80-40-20-15-10m January 14, 2015 No comments

Read on .pdf all information about the famous W3DZZ antenna  – Download Here Read more

W3EDP Antenna October 05, 2015 No comments

In the 1936 March issue of QST, Yardley Beers, W3AWH, described an antenna designed by his friend, Mr. H. J. Siegel, W3EDP. The design was based on th... Read more

Sky Ham Radio End Fed Antenna , Resonant 40 – 20 – 10 December 30, 2014 No comments

Today many Hams encounter big problems when they want to install a good antenna. Many live in an apartment building, or in an area where the rules do... Read more

Digital Modes Third Public Test of FT8 DXpediton Mode Deemed a Success May 09, 2018 No comments

The third public test of FT8 DXpedition Mode on May 5 is being called a success. The goal of the exercise was to simulate a rare DXpedition pileup on... Read more

Release: WSJT-X Version 1.9.0-rc4 April 29, 2018 No comments

Changes from WSJT-X Version 1.9.0-rc3 include the following: – Corrected a number of flaws in Fox and Hound behavior, FT8 DXpedition Mode... Read more

A New Spin on JT Alert HRD Logbook and WSJT X April 11, 2018 No comments

WSJT-X for rig control. There’s no need for HRD rig control to be running. Just HRD Logbook, WSJT-X and JT Alert. Read more

Second Public Test of FT8 DXpedition Mode Demonstrates High Contact Rates Possible April 10, 2018 No comments

The second public test of FT8 DXpedition Mode has shown that the mock DXpedition stations (“Foxes”) were able to work the pileups of callers (“Hounds”... Read more

MixW 4 is a new multi-mode, multi-platform software for radio amateurs. April 06, 2018 No comments

  MixW 4 is a new multi-mode, multi-platform software for radio amateurs. A completely new outlook. Tons of new features. JT65 and FT8 modes. Kiw... Read more

Second Test of FT8 DXpedition Mode Set for April 7 April 03, 2018 No comments

The second public test of FT8 DXpedition Mode will take place on April 7, and all radio amateurs are invited to participate. WSJT-X Developer Joe Tayl... Read more

ES-4 Radio / Antenna Selector Switch between 3 radios and 5 antennas

Fri, 07/06/2018 - 07:06
ES-4 COMES AS A CONTROL UNIT AND A BASE (SWITCHING) UNIT   THE BASE UNIT RECEIVES 12V POWER AND HAS ALL THE HEAVY COAXIAL CABLES CONNECTED TO IT. THERE IS ALSO PROVISION FOR CONNECTING UP TO 3 PTT AND UP TO 3 ALC CABLES (OPTIONAL, IF USED OR NEEDED). TYPICALLY THE BASE UNIT IS INSTALLED BEHIND THE AMPLIFIER, POSSIBLY ON A WALL OR WOODEN PANEL (MOUNTING BRACKET SUPPLIED). THE CONTROL UNIT IS CONNECTED TO THE BASE VIA A FLAT CABLE. IT HAS AN OPTIONAL PTT CONNECTION. THE CONTROL UNIT IS TYPICALLY PLACED IN FRONT OF THE OPERATOR, NEAR THE RADIO.

SELECT  the radio or the antenna at the press of a button

Specifications
  • Input power (3 inputs): 200 W maximum , 50 Ω load, non-switching
  • The non-active inputs: grounded
  • Output power (5 outputs): 2000 W, 3000 W peak, 50 Ω load, non-switching
  • Feedback Output to Input: about  -115dB@30MHz
  • SWR: Better than 1:1.05, 1 MHz to 30 MHz, Input (Radio) and Output (Antenna)
  • Power requirements: 12 Vdc, 11 to 15 V range, up to 250 mA current
  • Protection: “Hot Switching” – changing input or output is inhibited if PTT is low (<1 V)
  • The PTT (RCA) sockets output a weak voltage of +5 V. When pulled low, the current is about 8 mA.
  • ALC negative signal sent to the 3 radios via back to back diodes (if connected)

NOTE:

PTT must be connected for the Hot Switching protection to work

Dimensions (overall):

  • Base: 240 x 125 x 58 mm (without wall mounting bracket

(9.5” x 5” x 2.3”)

  • Base: 240 x 166 x 58 mm (including the wall mounting bracket)

(9.5” x 6.5” x 2.3”)

  • Controller: 168 x 68 x 26 mm

(6.6” x 2.7” x 1”)

  • Weight: 1.4 kg (3 lb)
  • Shipping Weight: <2 kg (4.4 lb)
PRICES (in Australian Dollars): ES-4: AU$390

SHIPPING WORLD WIDE

Shipping weight: <2 kg (4.4 lb)

Please inquire for stock and shipping cost or any technical details

(Go to CONTACT US in the Main Menu)

To USA (US Dollars): $349:  ES-4 Shipped

(adsbygoogle = window.adsbygoogle || []).push({});

Review External Mic and PTT for the Elecraft KX2 & KX3 June 11, 2017 No comments

Elecraft KX3 & KX2 are excellent radios for handheld portable HF operation. Elecraft KX2 is the better option for handheld portable HF operation,... Read more

Icom ID-4100 D-Star – Review June 16, 2017 No comments

Since the introduction of D-STAR in 2001, Icom has been committed to improving and advancing the D-STAR experience. The ID-4100A and it’s advance tech... Read more

Retevis RT-95 Dual Band Mobile Transceiver Review – Ham Radio Q&A June 12, 2018 No comments

New Black Retevis RT95Dual Band 200 Channels Mobile Car Radio Description: RT95 Mobile Radio has nice housing, stoutness & stability, advanced and... Read more

BaofengTech UV-50X2 Testing : Ham Radio 2.0 August 29, 2017 No comments

X-SERIES BTECH MOBILES The X-Series Mobiles introduce our new fully customizable Multi-Color LCD display screen. You can adjust the complete display t... Read more

Receiving a Gmail email over HF radio with Winlink system March 24, 2017 No comments

Short video showing how I receive an email sent from gmail over my Ham radio.   Read more

VHF Larsen VHF/UHF Mobile Antennas KG2/70CXPL March 01, 2016 No comments

 VHF/UHF Mobile Antennas  Antenna, VHF/UHF, Glass Mount, 144-148/442-448 MHz, 100 W, 32.75 in. Max Height, 14 ft. RG-58, PL-259, Each Brand:LARSEN ANT... Read more

The first video from Yaesu FT-2D April 23, 2015 No comments

Yaesu FT-2D   Read more

Small APRS Transceiver with MicroAPRS by DB1NTO December 17, 2014 No comments

  Small APRS Transceiver with MicroAPRS by DB1NTO Read full Article from DB1NTO :     Read more

TYT MD-9600 Dual Band DMR Digital Mobile Radio (UHF/VHF) July 07, 2017 No comments

Now you can go digital on the road with the TYT MD-9600 DMR Digital Mobile Two Way Radio! The MD-9600 gives you the crystal clear, noise-free audio of... Read more

50W Full Duty Cycle Digital Repeater – FR5200H / FR6200H IDAS VHF/UHF Digital Repeaters October 29, 2015 No comments

FR5200H / FR6200H IDAS VHF/UHF Digital Repeaters 50W 100% Duty cycle operation Employing a high performance power amplifier, together with the solid h... Read more

Antenna IOio Antenna February 16, 2016 No comments

Scheme nº1: Scheme of the IOio antenna “FM ham satellites can efficiently be worked in two ways, one of them sitting in our armchair with a comp... Read more

SD330 HF Screwdriver Mobile Antenna January 22, 2016 No comments

SD330 HF Screwdriver Mobile Antenna Specifications:   Bands: 3.5 – 30MHz Power Supply voltage & current: DC 12v 100mA Max Power Rating: 200W... Read more

A Simple Wire Tuner October 28, 2015 No comments

Here’s a basic, but effective and efficient, antenna tuner for feeding random wires, especially half-wave end-fed wires. Read more

SteppIR DB11 Yagi Antenna ( 6 m to 20 m ) February 10, 2015 No comments

  DB11 Yagi Antenna With the DB11, you don’t have to give up performance to fit the antenna into a small space! The DB11 is the smallest of our Y... Read more

MFJ-226 1-230 MHZ ANTENNA EXPECT TIMES GRAPHIC ANALYZER April 02, 2015 No comments

  MFJ VNA Antenna Analyzer covers 1 to 230 MHz, 1Hz resolution. •Frequency sweep plots: SWR, Impedance, Resistance, Reactance,Phase Angle, Comple... Read more

 

The K7RA Solar Update – 07/06/2018

Fri, 07/06/2018 - 06:57

No sunspots have appeared since June 26. If we use predicted solar flux as a proxy, flux is expected to be less than 70 until July 8, this Sunday, so I would not expect sunspot activity to resume perhaps until July 13-23 when solar flux is expected to rise above 70.

Predicted solar flux is 68 on July 6-7, 70 on July 8-12, 72 on July 13, 75 on July 14-15, 77 on July 16, 80 on July 17-19, 77 on July 20-21, 73 and 71 on July 22-23, 70 on July 24-25, 69 on July 26-27, 68 on July 28 through August 5, 69 on August 6, 72 on August 7-9, 75 on August 10-11, 77 on August 12, 80 on August 13-15, 77 on August 16-17, then 73 and 71 on August 18-19.

Predicted planetary A index is 10 on July 6, 5 on July 7-14, then 15 on July 15, 5 on July 16-19, then 15, 8, 10, 18 and 7 on July 20-24, 5 on July 25-28, 8 on July 29, 5 on July 30 through August 10, 15 on August 11, 5 on August 12-15, then 15, 8, 10 and 18 on August 16-19.

 

Chip Margelli, K7JA, had a comment on the coverage of Field Day conditions last week: “I saw your propagation report re Field Day. I’m still trying to figure out which planet that represented.

“Conditions on Field Day were generally awful. The K index rising to 4 Saturday morning really tore up the bands and blew out the E layer here in the western US. Neither 6 nor 10 meters opened at all on Saturday, and there were only a few pop-up paths that emerged on Sunday on meters. On six, while much of the eastern part of the country had a big band, but in southern California we worked five whole stations in South Dakota. That was it.

“Twenty meters was fair at best, but it closed early Saturday night. Fifteen was a huge bust, and 40 was very disturbed, with heavy fading and East Coast signals generally huddling right at the edge of being audible. Forty meters never really took off to the east, causing our station to be at least 30% down from our anticipated numbers.

“It wasn’t a good weekend for propagation at all. It was especially disappointing because 6 meters had been wide open all week before Field Day, and a week after the event it was open across the country again.”

 

 

For more information concerning radio propagation, see the ARRL Technical Information Service at http://arrl.org/propagation-of-rf-signals. For an explanation of numbers used in this bulletin, see http://arrl.org/the-sun-the-earth-the-ionosphere.

An archive of past propagation bulletins is at http://arrl.org/w1aw-bulletins-archive-propagation. More good information and tutorials on propagation are at http://k9la.us/.

Monthly propagation charts between four USA regions and twelve overseas locations are at http://arrl.org/propagation.

Instructions for starting or ending email distribution of ARRL bulletins are at http://arrl.org/bulletins.

Sunspot numbers for June 28 to July 4, 2018 were 0, 0, 0, 0, 0, 0, and 0, with a mean of 0. 10.7 cm flux was 69.5, 68.6, 68.8, 68.1, 66.6, 68.2, and 67.9, with a mean of 68.2. Estimated planetary A indices were 5, 4, 4, 3, 3, 4, and 5, with a mean of 4. Estimated mid-latitude A indices were 5, 3, 3, 4, 4, 5, and 4, with a mean of 4.

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Antenna Slim Jim Antenna Project April 08, 2015 No comments

    Slim Jim Antenna The Slim Jim is a vertically polarized omnidirectional end-fed antenna having considerable “gain” and this is concentra... Read more

Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas GP-15 January 14, 2015 No comments

Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas provide good gain figures on the 6-meter, 2-meter, and 70-centimeter bands in a compact 7.9 foot p... Read more

MFJ-1799X VERTICAL ANTENNA ,9-BD,2,6,10,12,15,17,20,30,40M September 17, 2015 No comments

VERTICAL ANTENNA Highly efficient end loading 1/2 Wave vertical covers bands: 40, 30, 20, 17, 15, 12, 10, 6 and 2 Meters. Requires no radials, no loss... Read more

Comet Antenna – Full Catalog (.pdf) April 15, 2015 No comments

Download Comet Antena catalog  in (.pdf ) :   Read more

The Alternative Multi-band Solution – Cobra UltraLite Antennas January 02, 2015 No comments

  Covers More Bands than a G5RV (Shorty). Goes up Fast, Easy on Trees. All Stainless Hardware Black Marine ABS Insulator Blocks Handles a Full kW... Read more

App - Mobile Morse Machine – Android APP February 02, 2015 No comments

This program teaches you to receive Morse Machine code (CW). It starts with two letters and adds more when it sees that you are ready. This is the eas... Read more

HF Beam Antenna Calculator for Iphone and Ipad January 06, 2015 No comments

  Antenna Calculator The Maidenhead & HF Beam Antenna is a useful utility to calculate the the Maidenhead LOCATION as well as HF Elements’ s... Read more

New! RemoteHamRadio App March 28, 2016 No comments

Hold a mega-station in the palm of your hand. Wherever you are, you can work DX and log it. Operate from our 18 unique stations to snag a new country,... Read more

AmsatDroid FREE – APP October 05, 2015 No comments

This software predicts future passes for amateur radio satellites for a specified location and period of time. Basic features: – Calculate passe... Read more

Yaesu FT817 CAT Control Setup & BT Remote Control | Android March 30, 2015 No comments

  In this video we run through setting up a bluetooth CAT control for the Yaesu FT-817, using an Android Tablet, bluetooth interface, and Yaesus... Read more

News Radio Amateurs of Canada Puts Members on Alert for Tropical Storm Chris July 10, 2018 No comments

Radio Amateurs of Canada (RAC) says Tropical Storm Chris (TS Chris) — still meandering off the Carolinas — could threaten the Canadian Maritime Provin... Read more

The August Edition of Digital QST is Now Available! July 10, 2018 No comments

The August edition of Digital QST is now available for viewing on your desktop or laptop. Click here to view the issue. It is also available for readi... Read more

It’s Nikola Tesla’s Birthday July 10, 2018 No comments

Inventor Nikola Tesla contributed to the development of the alternating-current electrical system that’s widely used today and discovered the ro... Read more

RADIO DARC special coverage of WRTC 2018 July 10, 2018 No comments

With 300kW from Wittenberg via Vienna to North America On the occasion of WRTC 2018 RADIO DARC will broadcast two special programs: Saturday, July 14t... Read more

The IARUMS Region 1 Newsletter June 2018 is now available. July 10, 2018 No comments

Monitoring System DK2OM – Wolf Hadel Co-ordinator of IARUMS Region 1 Editor of the Newsletter HB9CET – Peter Jost Vice Co-ordinator of IARUMS Region 1 Read more

Radio Amateur to Pay $7,000, Face Restricted Privileges to Settle FCC Interference Case July 04, 2018 No comments

The US Department of Justice and the FCC have reached a settlement with Brian Crow, K3VR, of North Huntingdon, Pennsylvania, to resolve allegations th... Read more

North Huntingdon Ham Radio operator settles case with FCC July 04, 2018 No comments

by MEGAN GUZA A well-known Westmoreland County ham radio operator has agreed to pay $7,000 to the federal government to settle allegations he intentio... Read more

Ham Radio Shack Tour – VA2PV 2018 July 03, 2018 No comments

  “Already a rearrangement of the ham radio shack for 2018. Look at my new speakers, two Palstar SP30B which match perfectly my SunSDR MB1,... Read more

Radio ‘hams’: The legacy of Iraq’s amateur operators lives on July 03, 2018 No comments

A community of clandestine radio enthusiasts remains active inside the country  by Sofia Barbarani Ahmed Al Amshawi was just 17-years-old when he firs... Read more

Receive SSTV from the ISS June 29, 2018 No comments

This weekend ARISS Russia is running a special slow-scan television event from the International Space Station. Unfortunately we learned the details t... Read more

 

TR 144 – PRO, Transverter for the 2m band

Fri, 07/06/2018 - 06:46

Over 25 years of experience in development of new transverter technologies led to this masterpiece of VHF technology.
Implementing technological innovations and expertise in a timely manner and combining them into a state-of-the-art product is a thing we have succeeded in doing in a very impressive way.
It’s a challenge for us to extend the limits of what is technically feasible and to put this into our products. Ranking first worldwide and improving our products continously are a matter of course for us.

1385,- € incl. VAT + shipping

Well-equipped RF transceivers are now widespread and offer a performance that can hardly be compared to what VHF / UHF or SHF come with. For that reason, transverter setups are well established in professional and semi professional field to achieve a optimal combination of outstanding parameters, such as very high reception dynamic, and comfort of use. So it’s possible to set up a high-performance station, adapted to the individual requirements. These advantages are already used by many contest and EME stations as well as radio services.

The Linear Transverter TR 144 – PRO is the youngest transverter of our TR-family and satisfies many criteria so that it’s not necessary to open and reconfigure the interior anymore. Due to the many years of experience and a lot of information from our customers we have decided to revise the proven TR 144 H +40 completely and implement some very frequently requested features. The revision of the TR 144 – PRO was focused on operational reliability thus creating an all-rounder with above-average performance. A new inserted LO + / – 0.5 ppm, a 2nd RX IF jack and the possibility to use a dual antenna system are part of the functionality and to work with the proven a 10 MHz reference.

The Circuit design of the new transverter TR144 -PRO is based on long-term experience of its predecessors TR144H + 40 and TR144H. The basic concept has been retained, the panel adapted to the new requirements and  the individual components redeveloped. Aim was to adapt TR144-PRO for most popular HF-Transceiver with just a few configuration steps and thereby be useful and  universal.

For example, the very robust input stage with appropriate mixers was kept but supplemented by a new IF amplifier. The power amplifier is a new development and provides a better IM3 at the same output power and almost the same efficiency. More new features are remote controlling via a serial interface, the configuration using two buttons and the output of all important data on an easy-to-read display. Due to modern processor technology it’s possible to expand and add new features of the TR144-PRO by an easy-to-realize firmware upgrade.

New features

  • Status readout with an easy-to-read LCD-Display
  • New Local-Oscillator with VCTCXO and +/- 0.5 ppm stability and  phasenoise better than -155 dBc/Hz @ 10 kHz
  • Output from Local oscillator for a second converter or synchro receiver or predistortion downconverter on software defined radios
  • Second independent IF Receiver port to connect a second receiver such as Spectrum readout, SDR receiver or a „sun and moon noise meter“
  • Two equivalent HF-Antenna ports free configurable as receiver port  or transmit port or two independent antenna systems
  • Monitored power amplifier with several protection circuits
  • A lot of possibilities to configure the transverter for the most popular HF-transceivers
  • Free configurable delay time of the internal sequence generator and open drain outputs for maximum flexibility
  • Possibility to control the transverter with serial interface direct with PC (not RS232)
  • Internal Blower now temperatur-controlled

Well-tried functions and features

  • Input for external reference frequency for synchronizing to 10 MHz source and automatic changeover if an adequate power level is detected
  • The internal antenna relay provide an Isolation of typical 70 dB
  • Intermodulation >35 dBc @ 20 W PEP by new designed RF power amplifier with newest LDMOS technology
  • Infinitely variable transmit gain adjustment on front panel
  • Spurious rejection is better than 60 dBc, achieved by using an 5th order low pass
  • Usable for all modes like SSB, PSK, FM and many more
  • Low noise preamplifier with typical 0.9 dB NF and an OIP3 of about 40 dBm
RF range 144 … 146 MHz IF range 28 … 30 MHz IF input power 1 … 50 mW / 60 … 1000 µW switchable LO accuracy @ 18 °C typ. +/- 0.5 ppm (without ext. ref.) LO frequency stability (-5 … +55 °C) typ. +/- 0.5 ppm (without ext. ref.) Output power 25 W IM3 of output signal typ. 36 dBc @ 20 W PEP RX gain typ. 25 dB Noise figure @ 18 °C typ. 1.4 dB, max. 1.6 dB RX output IP3 typ. +38 dBm IM-dynamic min. 102,5 dB SFDR @ 3 kHz BW Blocking min. -106 dBc @ 3 kHz BW Image rejection typ. 90 dB External reference input 10 MHz / 2 … 10 mW (sine or square wave) Reference input connector BNC-female, 50 ohms PTT control Contact closure to ground Supply voltage +13.8 V DC (+12 … 14 V DC) Current consumption typ. 6 A (TX) Case aluminium Dimensions (mm) 270 x 260 x 80 IF connectors / impedance BNC-female, 50 ohms (sep. / com. switchable) RF connectors / impedance N-female, 50 Ohm (separate RX/TX connectors) DC-supply and control connector SUB-D 9-pole (adsbygoogle = window.adsbygoogle || []).push({}); Antenna Portable Antenna Build by K6UDA January 19, 2016 in: Antenna No comments

K6UDA Radio, The elmer show with attitude. This time I’m building a portable end fed wire antenna that deploys in minutes and is pretty cheap to build. Read more

Equipment TEN-TEC Model 539 Argonaut VI QRP 1-10 Watt Transceiver February 16, 2016 in: Equipment No comments

TEN-TEC has created another legend within the new 539 Argonaut VI. This NEW QRP transceiver incorporates the use of TEN-TEC’s ASR design philosophy. This same low noise receiver design blended with advanced software control has been u... Read more

VHF ULTIMATE PILE UP BREAKER MAGIC BAND ( 50MHz ) – 2.5KW October 05, 2015 in: VHF No comments

3CPX1500 6 METERS 2500W RF AMPLIFIER   Read more

Ham Radio Shack Tour – VA2PV 2018

Tue, 07/03/2018 - 10:11

 

“Already a rearrangement of the ham radio shack for 2018. Look at my new speakers, two Palstar SP30B which match perfectly my SunSDR MB1, plus you will find my new 1 kW solid state HF amplifier, the Palstar LA -1K. Check out as well my lastest add on the Geochron 4k.”

(adsbygoogle = window.adsbygoogle || []).push({}); Review Icom IC 7851 vs IC 7800 Local Oscillator C N Characteristics Comparison December 16, 2015 No comments

Icom IC 7851 vs IC 7800 Video from Icom Inc. showing a local oscillator C/N characteristics comparison between Icom’s IC-7851 and IC-7800 HF/50/... Read more

IC-7610 Technical Report Vol. 2 (English Version) May 31, 2018 No comments

IC-7610 Technical Report, which explains the RF direct sampling system and RMDR used in the IC-7610.   You can find the Technical Report here:  http:/... Read more

Review of the Commradio CR-1A July 23, 2016 No comments

“Here’s a brief tour and review of the CR-1a from Commradio. This SDR has excellent build quality and performance. The price is moderately... Read more

Bury 100ft of wire 10in deep in 10 minutes without any mess March 13, 2017 No comments

The greatest tool any underground utility contractor could own. Bury wire and conduit faster and easier without the mess.   Read more

MFJ-998 automatic antenna tuner 1500 Watts – Review and Setup June 18, 2017 No comments

Full 1500 watts SSB/CW…Digital & Analog SWR/WattMeter . . .  All features of MFJ IntelliTuners– Ultra-fast, Safe Automatic Tuning . . . Wide... Read more

IC-7300 [ Downloads ] Instruction Manual and Brochure September 05, 2016 No comments

IC-7300 Video Review IC 7300 Download´s Read more

VHF Alinco DJ-G7T/E Tri-Band ( 144 , 430 and 1200MHz) March 05, 2015 No comments

  Get ready for action as you hear signals that you may never have heard before. The DJ-G7 tunes 0.530-1299.995MHz continuously, and you can enjo... Read more

Kenwood TH-D74 – How to do a quick setup [ Video ] August 30, 2016 No comments

Kenwood TH-D74 APRS & DSTAR Radio TH-D74 144 / 220 / 430 MHz Tribander APRS : Using packet-transfer communication to exchange real-time GPS positi... Read more

Retevis RT83(GPS) 10W IP67 DMR Digital UHF Radio June 20, 2018 No comments

Retevis RT83 with digital and analogue mode two way radio.   Using TDMA technology, designed with Tier II,AMBE++ vocoder, compatible with mototrb... Read more

The Ten Cent Modification You Can Do to Double Your Radio’s Range July 21, 2015 No comments

by David Spero Some things in life you can never have too much of.  But for this article, we’ll concentrate just on radio range/efficiency! There are... Read more

Like Father, Like Son: Michigan Ham Wraps Up Grid Master Award December 29, 2014 No comments

Satellite enthusiast Doug Papay, KD8CAO, of Zeeland, Michigan, has worked all 488 US grid squares via satellite and has been granted Grid Master Award... Read more

Wouxun KG-D901 DMR Digital Radio Preview June 19, 2016 No comments

Key Features Unlike the 8D and 9D, the D901 is a single band transceiver, in your choice of either a UHF or VHF version. Most of the primary features... Read more

App - Mobile Morse Decoder for Android Smartphones and Tablets December 13, 2014 No comments

Morse Decoder decodes Morse code characters through the built-in microphone of your Android device. Morse Decoder can be used by Ham Radio operators o... Read more

RFinder – The World Wide Repeater Directory now free trial on Android! November 09, 2015 No comments

In order to support the proliferation of third party app stores worldwide, we have now released RFinder on Android as trialware! Just go download it f... Read more

NKCCluster 2.1 to be released very soon August 15, 2015 No comments

A new NKCCluster release is just around the corner: release 2.1 is currently undergoing beta-testing and, provided no last minute surprises i.e. major... Read more

AmsatDroidFree now open source January 30, 2018 No comments

AmsatDroidFree satellite tracking App for Android devices is now open source. This App predicts future passes for amateur radio satellites for a speci... Read more

RS-MS1A – Remote Control Android App January 30, 2015 No comments

  Ray Novak and George Thomas show you how to control the ID-51A with the RS-MS1A Android app.   Read more

Repeater Database APP ( IOS and Android ) – Now includes over 35 countries December 18, 2014 No comments

  Repeater Database “RepeaterBook – The Free Repeater Directory for the USA and Canada. Powered by the popular community database of... Read more

Equipment Anan-100BE SDR multi-mode transceiver October 04, 2015 No comments

  The Apache Labs ANAN-100BE is an entry level, High Performance  100 watt HF + 6M Software Defined Radio multi-mode transceiver. The receiver is... Read more

The WiNRADiO WR-G39DDCi ‘EXCELSIOR’ High-performance HF/VHF/UHF/SHF SDR June 11, 2016 No comments

WiNRADiO Overview The WiNRADiO WR-G39DDCi ‘EXCELSIOR’ is a high-performance HF/VHF/UHF/SHF software-defined receiver with a frequency rang... Read more

EMTRON DX-3SP – HF Amplifier ( 4.5Kw ) January 10, 2015 No comments

  The “Big Gun” is getting even bigger, with the new DX-3SP! With over 4000 Watts CW and more then 4500 Watts SSB, this QRO muscle amp is... Read more

SunSDR2 PRO May 17, 2015 No comments

  The brand new SunSDR2 PRO transceiver is a modern SDR transceiver developed with contesting and DXing in mind. It covers all HF bands plus 50 M... Read more

Airspy Low Cost High Performance SDR – REVISION 2 RELEASED October 05, 2015 No comments

Airspy The Airspy is a $200 USD software defined radio that has a frequency range between 24 – 1700 MHz, bandwidth of up to 10 MHz and a 12-bit ADC. W... Read more

The ACOM 3x2000A May 20, 2015 No comments

  The ACOM 3x2000A The ACOM 3x2000A is a HF power splitter / combiner which is a passive device designed to sum the outputs of three HF linear am... Read more

Yaesu FT-891 Initial Impressions

Tue, 07/03/2018 - 07:11

“Introducing the Yaesu FT-891! My new portable HF Transceiver for Ham Radio! The FT-891 is a 100w rig for HF-6m at just shy over 4 lbs. A super portable rig that makes it even easier to take a 100w HF rig to the great outdoors! Please subscribe for more ham radio content!”

 

FT-891 HF+50Mhz ALL MODE MOBILE TRANSCEIVER

The FT-891 HF All Mode Mobile Transceiver once again continues Yaesu‘s legacy for legendary receiver design in a compact package, providing uncompromised performance for both the mobile and stationary Amateur operator. High end 32-Bit floating point DSP enhances the operating experience providing a cleaner, clearer signal and reducing overall operator fatigue creating a more enjoyable environment for any Amateur operator.

  Uncompromising Receiver Circuit Design Ensures Excellent Performance

• Triple conversion with a 1st IF frequency of 69.450 MHz (SSB/CW/AM
• 3 kHz roofing filter equipped as standard feature
• TCXO provides ±0.5 ppm High frequency stability (-10°C to +50°C)

Stable 100 Watt Output

The FT-891 provides stable 100 Watts (25W AM) of high power output. High reliability is assured by the transmitters careful circuit design with efficient thermostatically-controlled Dual internal fans and the die cast heat transferring chassis.

32-Bit IF DSP Provides effective and optimized QRM rejection

The 32 bit high speed floating Point DSP (max 3000 MIPS) provides effective cancellation/reduction (DNR) of the random noise that is frequently frustrating while on the HF bands. The highly optimized AUTO NOTCH (DNF) automatically eliminates dominant beat tones, and the CONTOUR, and the APF, are very effective receiver noise reduction tools during HF band operations.

USB Connection

A native USB connection supports PC connectivity with a single cable, allowing for full rig control via a virtual serial port connection (VCP).

Features for Ease of Operation

• Large diameter Main Tuning Dial (1.6” / 41mm) with Torque adjustment
• Pop-up Menu for quick and easy navigation
• Multi-function Knob
• Large Transmit/Receive indicator
• Three programmable Front Panel Function Keys

Support for ATAS (Active Tuning Antenna System)

The FT-891 fully supports the ATAS-25 and ATAS-120A Active Tuning Antenna System (optional) allowing for plug and play field and mobile operation.

Ultra compact design

Measuring 6.1” x 2.0” x 8.6” (155 x 52 x 218 mm), The FT-891 is an innovative Multi-band, Multi-mode Mobile/Portable transceiver with an Ultra Compact and rugged case design.

Optional FC-50 Antenna Tuner Unit

The FC-50 is a microprocessor-controlled antenna tuner that is designed specifically for the FT-891. The FC-50 can be easily coupled with the FT-891 and includes all necessary interconnect cables for operation right out of the box.

Specifications

Specifications

Frequency Range: Tx: 1.8 – 54 MHz (Amateur Bands Only) Rx: 30 KHz – 56 MHz
Channel Step: 2/5/10 Hz (SSB, CW), 10/100 Hz (AM,FM)
Frequency Stability: +/- 0.5 ppm 14 °F to + 122 °F (-10 °C to +50 °C)
Modes of Emission: A1A (CW), A3E (AM), J3E (LSB, USB), F3E (FM)
Impedance: 50 Ohms, unbalanced
Supply Voltage: 13.8VDC +/- 15%, negative ground
Current Consumption: Rx: 2.0 A (Signal Present) Tx: 23 A
Operating Tempature Range: 14 °F to ° +122 °F (-10 °C to +50 °C)
Case Size (WxHxD): 6.1” x 2.0” x 8.6” (155 x 52 x 218 mm) w/o Knobs
Weight (Approx.): 4.18 lb (1.9 kg)
Output Power: 100W SSB/CW/FM (AM: 25W)
Circuit Type: SSB/CW/AM: Triple-conversion Super-heterodyne FM: Double Conversion Super-heterodyne
Intermediate Frequencies: 1st: 69.450 MHz / 2nd: 450 KHz
Maximum AF Output: 2.5 W 4 ohmz with 10% THD
Audio output Impedance: 4 to 16 Ohms (8 Ohms nominal)
Sensitivity: SSB/CW (S/N 10dB) 0.158uV (1.8 – 30 MHz), 0.125uV (50 -54 MHz)
AM (S/N 10 dB) 4 uV (0.5 – 1.8 MHz), 1.6uV (1.8 – 30 MHz), 1.2uV (50 – 54 MHz)
FM (12 dB SINAD) 0.35uV (29, 50 – 54 MHz)
Warranty: 3 years

(adsbygoogle = window.adsbygoogle || []).push({});

VHF TYT MD-9600 Dual Band DMR Digital Mobile Radio (UHF/VHF) July 07, 2017 No comments

Now you can go digital on the road with the TYT MD-9600 DMR Digital Mobile Two Way Radio! The MD-9600 gives you the crystal clear, noise-free audio of... Read more

DB-750X Dual Band VHF/UHF 750 Channel Commercial Mobile Radio November 02, 2015 No comments

DB-750X  Description All of the features you want at an affordable price. The newest mobile added to the Powerwerx lineup features Narrow band transmi... Read more

ID-4100 – Icom Catalog Scan – Japanese March 12, 2017 No comments

ID-4100 Source: Read more

YEASU FTM-10 April 15, 2015 No comments

      Dual-band mobile beyond the concept of transceivers.  Mobil transceiver to enjoy motor sports. Body waterproof type FTM-10S stand... Read more

Antenna M2 DRIVEN ELEMENT SCHEMATIC & TROUBLE SHOOTING October 28, 2015 No comments

To check internal driven element block connections, remove balun, shorting bars, and feed coax/ phasing line. Test Steps: 1.Continuity: between block... Read more

10-40 Meter Coaxial Loop Rated IP54 for Base, Mobile, & Tactical January 05, 2016 No comments

The built-in SWR indicator makes the Alpha Loop so very easy to tune! Now you can suddenly hear everyone, and they can hear you! This is an antenna th... Read more

JK Mid-Tri-40 2 Elements on 40M / 3 Elements on 20M/ 4 Elements on 15M / 5 Elements on 10M / 26 Foot Boom February 18, 2015 No comments

  The JK Mid-Tri has been designed for Hams looking for a Mid level, cost effective but high quality Tribander antenna.   This Tri-Bander’s... Read more

HF Vertical Antenna – Cushcraft R9 covers 6,10,12,15,17,20,30,40,80 Meters July 08, 2015 No comments

HF Vertical Antenna • NO GROUND SYSTEM OR RADIALS NEEDED • RUGGED CONSTRUCTION • INSTANT BAND CHANGING • SLIM LOW PROFILE SILHOUETTE This multiband ve... Read more

App - Mobile New! RemoteHamRadio App March 28, 2016 No comments

Hold a mega-station in the palm of your hand. Wherever you are, you can work DX and log it. Operate from our 18 unique stations to snag a new country,... Read more

MacLoggerDX HD for iPad December 12, 2014 No comments

MacLoggerDX HD is an Amateur Radio application that monitors the spots from your favourite DX Cluster for DXing, Contesting or casual rag-chewing. It... Read more

QTH Locator Droid – Mobile App September 11, 2015 No comments

The QTH Locator App was developed for HAM Radio use. This is the extended version of “Maidenhead Grid Locator” using Google Maps to show a... Read more

AmsatDroidFree now open source January 30, 2018 No comments

AmsatDroidFree satellite tracking App for Android devices is now open source. This App predicts future passes for amateur radio satellites for a speci... Read more

Equipment Icom IC-R9500 ( 0.005–3335MHz ) January 05, 2015 No comments

Wideband coverage The Icom IC-R9500 covers 0.005–3335MHz*1 in SSB, AM, FM, WFM, CW, FSK and P25*2modes. It is suitable for a wide variety of radio mon... Read more

Yaesu FT-DX101D HF/50MHz 100W SDR May 18, 2018 No comments

Yaesu FT-DX101D HF/50MHz 100W SDR  Yaesu FT-DX101D HF/50MHz 100W SDR Reservation ** Get in line! Reserve yours today, risk free! ** This radio has NOT... Read more

TEN-TEC Rebel Model 506 Open Source QRP CW Transceiver November 18, 2014 No comments

The TEN-TEC Rebel model 506 transceiver is designed with the purpose of providing Ham Radio operators a platform for developing and writing code using... Read more

Solid State General Communication Power Amplifier- GCS1D2GYV September 24, 2015 No comments

1.5 – 31.5 MHz / 2500 Watts The GCS1D2GYV (SKU 4054) is suitable for HF broadband or band specific high power, CW and pulse Jamming applications... Read more

Radio ‘hams’: The legacy of Iraq’s amateur operators lives on

Tue, 07/03/2018 - 06:53

A community of clandestine radio enthusiasts remains active inside the country

 by Sofia Barbarani

Ahmed Al Amshawi was just 17-years-old when he first discovered the underground world of ham radio in his native Baghdad in 1996. A brotherhood of Iraqi men from all walks of life united by a common, clandestine passion: amateur radio communication.

One of Iraq’s first ham radio operators is thought to have been King Ghazi in the late 1930s, paving the way for the rest of Iraq.

Saddam Hussein was in power when Ahmed first picked up the crackling microphone that would connect him to the outside world. The adrenaline rush he felt lives on with him today. So too does the hobby and its enthusiasts.

“It’s like a drug in the system, once you take it you can’t leave it,” says Ahmed, now 40, sitting at a coffee shop in Baghdad’s Mansour neighbourhood.

At the time, Saddam’s regime had prohibited ham radio operators from using their equipment – typically a transmitter and a receiver – at home. Instead, licensed operators were made to gather in government-sanctioned communal rooms where they each took turns having conversations with fellow ham radio operators. Meanwhile, the government listened in.

“If you tried contacting foreigners without a licence there would be serious consequences,” says Ahmed.

If caught without a licence while “hamming”, an operator could be accused of espionage. The penalty? Execution.

But even today, 15 years after the fall of Saddam and with the development of a wave of new forms of communication, there remains some 150 licensed ham radio operators, proud members of a largely unknown community, inside Iraq.

In the 1990s, Iraq was agonising under the weight of sanctions – a financial and trade embargo issued by the UN in response to Saddam’s hasty invasion of Kuwait. A devastated economy and a severe shortage of food and medication had brought ordinary Iraqis to their knees. Diseases from contaminated water and high rates of malnutrition, especially among children, were common.

Ahmed, like other ham operators, found a way to communicate Iraq’s hardship to the rest of the world. They believed they were providing a vital public service for their fellow Iraqis, he says.

“We relayed messages to the world,” says Ahmed, whose call sign was YI1AHC. Call signs were used as a means to identify transmitters. YI stood for Iraq, A stood for Ahmed and HC for Hotel California….READ MORE

(adsbygoogle = window.adsbygoogle || []).push({}); Review Review of Radioddity GD-77 DMR Tier 2 Handheld August 31, 2017 No comments

Dual Band & Dual Time Slot: VHF 136-174MHz, UHF 400-470 MHZ; GD-77 has both Tier I & II and is compatible with Motorola and other DMR radios.... Read more

TenTec 506 Rebel Transceiver – ARRL – QST Magazine October 06, 2016 No comments

The Rebel 506 utilizes a chipKIT Uno32 prototyping board which give users access to an Arduino based programming environment. With its 32 bit computin... Read more

SunSDR2 Pro review by ZL3DW August 25, 2015 No comments

First impressions First impressions, the radio arrived very well packed. It was double boxed with the radio box inside a standard DHL box. There was a... Read more

The TAK-Tenna Review – A Limited Space HF Antenna February 23, 2015 No comments

“As you may know, a big percentage of this web site is dedicated to building antennas and not buying them, but sometimes an antenna comes along... Read more

Alpha Mag Loop Review, Interview with K7AGE at Pacificon – K6UDA Radio Episode 31 October 22, 2016 No comments

Here’s the review of the Alpha Antennas Magnetic Loop. Stay Tuned for the big 3 way shootout with the Chameleon P Loop & the Alexloop. I... Read more

Unboxing TYT MD-380 – HRN 267 August 31, 2016 No comments

Unboxing a TYT MD-380 DMR HT, and a lot more rambling (because we don’t do unboxings). I also talk about the BTech (BaoFeng) UV 5×3 tri-ban... Read more

Equipment HAL1200 Atlantic – HF linear amplifier July 16, 2015 No comments

HF linear amplifier Specifications Frequency : 1.8 ~ 54 MHz, all Amateur Bands including WARC Automatic Band Change: only PTT/TXGND Signal, or with de... Read more

Mercury Paddle- Bencher December 27, 2014 No comments

The Return of the Legend. N2DAN’s legacy lives on in this beautiful dual paddle crafted from the finest materials– massive brass base with... Read more

Elecraft K2 February 15, 2015 No comments

  The Elecraft K2 is a full-featured HF transceiver with the options you have come to expect from radios costing over twice as much. Two VFOs wit... Read more

Colibri DDC SDR SDR (Software Defined Radio) HF / 6m March 05, 2015 No comments

    ColibriDDC Receiver:   This small-size receiver is intended to receive signals covering the HF frequency band 0.09MHz to 55MHz, and also (wit... Read more

Station Master DeLuxe – microHam December 16, 2014 No comments

    Station Master DeLuxe™ is big brother of regular Station Master™ and has all its capabilities but provides more ergonomic user interface with... Read more

UNIDEN UBCD3600XLT DIGITAL SCANNER RECEIVER 25-1300MHz January 31, 2017 No comments

UNIDEN UBCD3600XLT FEATURES, FUNCTIONS AND SPECIFICATIONS: • Favorites Scan – Allows you to organize your Systems into Favorites Lists. The scanner wi... Read more

Antenna Mobile Antenna Little Tarheel HP December 03, 2014 No comments

” When properly installed on your vehicle this antenna will provide continuous coverage from 7.0 to 54 MHz with the supplied whip. The Little Ta... Read more

Another great choice to boost your Radio Signal March 27, 2015 No comments

A new series of Antenna has recently entered the radio market known as the Hypario JAPAN HPA series.  Hypario HPA-771 is the best selling High Gain Du... Read more

InnovAntennas ‘Big Gun’ arrays June 20, 2017 No comments

InnovAntennas continue to supply the World’s top DX’ers with large antenna systems with over 55% of sales being into the USA and 10% into... Read more

ULTRA LIGHTWEIGHT D-HEXPEDITION PORTABLE HEXBEAM September 08, 2015 No comments

The worlds lightest commercial G3TXQ Hexbeam at only 6KG specially designed with DX-peditions in mind. Main antenna features: THIS IS NOT A KIT, ready... Read more

MEF-330-1K Multi Band End Fed Half Wave Antenna March 10, 2015 No comments

  Product Description   MEF-330-1K Multi Band End Fed Half Wave Antenna This is an End-Fed Half Wave antenna (EFHW) resonant on 8 amateur bands. ... Read more

The CDAA Antenna and the Wullenweber January 30, 2015 No comments

A CDAA  of which the Wullenweber is a type, consists of a group of omnidirectional antennas symmetrically spaced about the periphery of a circular ref... Read more

Digital Modes Third Public Test of FT8 DXpediton Mode Deemed a Success May 09, 2018 No comments

The third public test of FT8 DXpedition Mode on May 5 is being called a success. The goal of the exercise was to simulate a rare DXpedition pileup on... Read more

Release: WSJT-X Version 1.9.0-rc4 April 29, 2018 No comments

Changes from WSJT-X Version 1.9.0-rc3 include the following: – Corrected a number of flaws in Fox and Hound behavior, FT8 DXpedition Mode... Read more

A New Spin on JT Alert HRD Logbook and WSJT X April 11, 2018 No comments

WSJT-X for rig control. There’s no need for HRD rig control to be running. Just HRD Logbook, WSJT-X and JT Alert. Read more

Second Public Test of FT8 DXpedition Mode Demonstrates High Contact Rates Possible April 10, 2018 No comments

The second public test of FT8 DXpedition Mode has shown that the mock DXpedition stations (“Foxes”) were able to work the pileups of callers (“Hounds”... Read more

MixW 4 is a new multi-mode, multi-platform software for radio amateurs. April 06, 2018 No comments

  MixW 4 is a new multi-mode, multi-platform software for radio amateurs. A completely new outlook. Tons of new features. JT65 and FT8 modes. Kiw... Read more

Second Test of FT8 DXpedition Mode Set for April 7 April 03, 2018 No comments

The second public test of FT8 DXpedition Mode will take place on April 7, and all radio amateurs are invited to participate. WSJT-X Developer Joe Tayl... Read more

General Amateur Radio Exam part 13. Digital Modes pt 5, HF Antennas part 3 – Ham College 42

Tue, 07/03/2018 - 06:47
(adsbygoogle = window.adsbygoogle || []).push({}); VHF Wouxun KG-879 Multifunctional wireless handheld two way radio August 29, 2015 No comments

Wouxun KG-879 Description of Features 1. DTMF encoding and decoding 2. 105 groups DCS / 50 groups CTCSS 3. Wide /narrow bandwidth 4. Selection 5. ANI... Read more

Yaesu VX-8GR January 25, 2015 No comments

VX-8GR – A Devoted APRS® User Dual Band Version of the VX-8R Series of HandheldKey Features of the VX-8GR include:• Full 5 watts FM 144/430 MHz. • RX... Read more

Unboxing and Testing the TYT MD-398 10-watt DMR HT November 22, 2016 No comments

The main difference between MD-380 and MD-398   Difference MD-380 MD-398 Time slot Two time slot One time slot Battery capacity 2000mAh 2800mAh B... Read more

Getting Started with the FM Satellites March 30, 2015 No comments

Getting Started with the FM Satellites If you can program split-frequency memories in your dual-band radio, or your dual-band radio has two VFOs, you... Read more

Baojie BJ-218 Mini Dual Band 25W Mobile Radio UHF VHF Transceiver April 08, 2016 No comments

 Baojie BJ-218 The function of the new development menu Personalized design operation Dual Display, Dual Standby & Dual Track Mini Size, Power Sup... Read more

AC6V’s GUIDE TO FM REPEATERS January 11, 2015 No comments

  AC6V’s GUIDE TO FM REPEATERS This book is six months in the writing and features the advice of several noted Amateurs and technical gurus... Read more

Equipment HF Linear 2KW HF2015DX – Chinese November 18, 2015 No comments

HF2015DX RF Linear amplifier  coverd 1.8-30MHz amateur band , using Chinese FU728F ceramic tetrodes  working at  Class AB1 Input:30-40W  output:2000W... Read more

JUMA PA1000 1Kw HF + 6 meters April 07, 2015 No comments

    Overview JUMA PA1000 is a very light weight solid state 1 kW linear amplifier for HF and 6 meter bands. JUMA PA1000 is using a most modern LD... Read more

The WiNRADiO WR-G39DDCi ‘EXCELSIOR’ High-performance HF/VHF/UHF/SHF SDR June 11, 2016 No comments

WiNRADiO Overview The WiNRADiO WR-G39DDCi ‘EXCELSIOR’ is a high-performance HF/VHF/UHF/SHF software-defined receiver with a frequency rang... Read more

Yaesu Luxury dual element microphone M-100 announced! May 17, 2017 No comments

“Amateur radio transmitting voices on radio waves, direct more faithfully the direct sound more faithfully … …” Following the... Read more

Anker’s massive 120,600mAh portable battery weighs 9 pounds April 19, 2016 No comments

Most portable batteries pack a few thousand mAh of power into a pocket-sized package. Not this one. It’s an overgrown brute that boasts a ridiculous 1... Read more

PPG100 Portable Power Generator January 08, 2018 No comments

Midland Radio has been a show participant at the Consumer Electronics Show for several decades. Long an industry leader in two-way radio technology in... Read more

Review Kenwood THK20A Transceiver – ARRL Video Review January 04, 2018 No comments

A powerful communications tool in every sense, KENWOOD’s new TH-K20A/K40A radio offers 5.5 watts of RF output to ensure reliable performance. Numerous... Read more

Ham Radio Basics – Setting Up Your First Operating Position November 09, 2016 No comments

Some things to think about when you set up your first ham radio station operating position. A quick look at Larry WD0AKX’s console.  ... Read more

Jim, W6LG, Shows an Electrical Plug After It Failed June 01, 2018 No comments

Jim shows what happened to an electrical plug after it developed a loose screw. Read more

Unboxing the BITX40 SSB QRP 40-Meter Kig February 08, 2017 No comments

“I learned about the BitX-40 from Randy, K7AGE’s unboxing video and immediately placed an order. It arrived today a few weeks after I plac... Read more

Radioddity GD-77S versus GD-77, an Odd Radio April 06, 2018 No comments

GD-77S Dual band VHF UHF: Meet the different system standard in different states and countries. Dual time slot for point to point: You can use separat... Read more

Simple SWR Indicator for QRP August 22, 2017 No comments

Simple SWR Indicator for QRP, just a ferrite, a wire and a LED. Read more

Antenna J-POLE REVOLUTION: KB9VBR ANTENNAS March 17, 2016 No comments

J-POLE When Michael Martens, callsign KB9VBR, set out to make his first J-pole in 2001, his drive was purely utilitarian–the local ham club was settin... Read more

MEF-330-1K Multiband EFHW Antenna Transformer for 8 Bands May 13, 2015 No comments

  MEF-330-1K Multiband EFHW Antenna Transformer,  Covers 8 Bands / 80-10m / 1kW-max. /  NO TUNER needed / wire not included/one End Insulator inc... Read more

Three-band portable dipole antenna system February 20, 2015 No comments

Product Description Band Hopper 3 Multiband Portable HF Dipole Antenna System NEW FOR 2015 – add a high performance balun for just £4.95! At a g... Read more

A powerful analyzer KC901S RF Multimeter with vector antenna analysis function April 24, 2015 No comments

  KC901S is a “RF multimeter”. It supports the analysis of single port vector network analysis and dual port scalar network analysis,... Read more

Buddipole vs AlexLoop Walkham November 03, 2015 No comments

Buddipole vs AlexLoop Walkham  Tried to do the most objective analysis on a comparison between the Buddipole and a AlexLoop Walkham antenna. I used a... Read more

SteppIR UrbanBeam Yagi antenna March 30, 2017 No comments

“We’re champions of the little pistol,” says Mike Mertel, YASME Excellence Award winner and SteppIR Antennas President, as SteppIR Antennas announces... Read more

Radio Amateur in Japan Completes Worked All States on 6 Meters

Tue, 07/03/2018 - 06:34
  4 X 7el yagi array @21m  (stack spacing : 6m high and 7m wide)

Tac Hirama, JA7QVI, has completed all requirements for the Worked All States (WAS) award on 6 meters. New Jersey was the last state he needed to work, and he managed a moonbounce (EME) contact as well as a conventional ionospheric contact.

It’s quite possible that JA7QVI is the first radio amateur to earn WAS on 6 meters from Japan, although that cannot be confirmed. Completing WAS on 6 meters was a major goal for him, Hirama said, and an Earth-Moon-Earth contact with Andy Blank, N2NT, on June 17 clinched the deal. He’d been working on achieving WAS on 6 meters since 1977.

JA7QVI now has accomplished WAS on 10 bands, 160 through 6 meters.

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Review All WX Solar Powered Amateur Radio Field Station November 14, 2017 No comments

  “In today’s video I’d like to discuss the concept of a solar-powered field station for amateur radio emergency communications... Read more

HAARP 2 Meter Antenna Review By M0OGY June 17, 2016 No comments

“Welcome to my exclusive look at the new HAARP two meter antenna designed and built in North Lincolnshire by Phil Simpson M0PXS. Whilst the name... Read more

Elecraft KX2 upgrade kit by RadioSet-GO May 10, 2018 No comments

Retrofitted KX2 QRP HAM radio transceiver by Hanz, W1JSB of RadioSet-GO. Available May 2018 at http://radioset-go.com Read more

Introducing the Icom IC-7850 50th Anniversary Edition [ Video ] February 06, 2015 No comments

Introducing the Icom  IC-7850 50th Anniversary Edition   Read more

Ham radio HF Go-Kit QRP contacts FT-817 emcomm SHTF doomsday December 18, 2016 No comments

Here is a video about my go-kit with my FT-817 and making some contacts QRP. Videos on almost all items can be seen on my channel. In this kit i have... Read more

Handheld Ailunce HD1 Retevis Dual Band DMR – Review June 27, 2018 No comments

“Here is the Ailunce HD1, or what I call the Retevis HD1. It is a dual band, 10w/8w Handheld Analog and DMR, with GPS and IP67 waterproofing. A... Read more

News Ham Radio Shack Tour – VA2PV 2018 July 03, 2018 No comments

  “Already a rearrangement of the ham radio shack for 2018. Look at my new speakers, two Palstar SP30B which match perfectly my SunSDR MB1,... Read more

Radio ‘hams’: The legacy of Iraq’s amateur operators lives on July 03, 2018 No comments

A community of clandestine radio enthusiasts remains active inside the country  by Sofia Barbarani Ahmed Al Amshawi was just 17-years-old when he firs... Read more

Receive SSTV from the ISS June 29, 2018 No comments

This weekend ARISS Russia is running a special slow-scan television event from the International Space Station. Unfortunately we learned the details t... Read more

KX9X Wins the June QST Cover Plaque Award June 27, 2018 No comments

The winning article for the June 2018 QST Cover Plaque award is “Get on the Satellites for ARRL Field Day” by Sean Kutzko, KX9X. The QST Cover Plaque... Read more

13 Colonies Special Event to Mark 10th Anniversary this Year June 26, 2018 No comments

The annual Original 13 Colonies Special Event will mark its 10th anniversary this year. The event gets under way on July 1 at 1300 UTC and runs throug... Read more

Atlantic Hurricane Season 2018 – QRG June 26, 2018 No comments

The Atlantic Hurricane Season runs from 1st June to 30th November this year. So it is time to remind the wider Amateur Radio community that the follow... Read more

Antenna Jim W6LG Uses A Short Dipole To Demonstrate How A Dipole Functions June 18, 2018 No comments

Jim makes and then shows his tunable half wavelength dipole antenna. Using an antenna analyzer, Jim finds the resonant frequency and the lowest SWR do... Read more

Field Day Antennas [ PodCast ] – “ARRL The Doctor is In” June 07, 2018 No comments

The Doctor offers advice about antenna options for the upcoming ARRL Field Day. Read more

Alaskan Arrow LEO Satellite Antenna – 4 Elements for 2 Meters crossed with 10 Elements for 70 cm May 29, 2018 No comments

The Alaskan antenna is meant for those who live in the higher lattitudes and need a little more gain. For us mere mortals who live in the lower 48 of... Read more

ALEXLOOP PREMIER May 02, 2018 No comments

The AlexLoop has long been the gold standard of the portable magnetic loop antenna. The AlexLoop Premier is the new and further enhanced version of th... Read more

The Mighty Rhombic, the King of Antennas April 12, 2018 No comments

“There was a time, back in the 1930s and 1940s, when the rhombic antenna was the king. A remarkable antenna that had phenomenal directivity and... Read more

Status QUAD: 2/4/5 StQ 7- 2 elements 40/30 – 4 elements 20/17/15 – 5 elements 12/10 March 31, 2018 No comments

Horizontal and elements rod kit On the models with 4 and more elements, we use an horizontal tie-rods kit, to prevent bending in the horizontal plane.... Read more

App - Mobile QRZ.com App for Android now in Beta Testing May 07, 2018 No comments

 The updates to QRZ’s Android App, formerly known as QRZDroid have been released and are available to those who are interested in trying it out.... Read more

EchoLink for iOS version 2.10.18 is now available May 07, 2018 No comments

EchoLink for iOS version 2.10.18 is now available in the App Store. This is a 64-bit build that is fully compatible with iOS 10 and modern iOS devices... Read more

EchoLink for iOS version 2.6.14 is now available March 13, 2018 No comments

EchoLink for iOS version 2.6.14 is now available in the App Store. This is a 64-bit build that is fully compatible with iOS 10 and modern iOS devices.... Read more

AmsatDroidFree now open source January 30, 2018 No comments

AmsatDroidFree satellite tracking App for Android devices is now open source. This App predicts future passes for amateur radio satellites for a speci... Read more

SmartSDR for iOS v2.1.0 Now Available August 25, 2017 No comments

FlexRadio Systems announces the release of SmartSDR for iOS v2.1.0 is now available for download or update from the Apple App Store. This App requires... Read more

CommCat 4 for Radio Control and Logging! June 12, 2017 No comments

CommCat 4 is a radio control and logging program for radio amateurs who share a passion for talking to other hams around the world. CommCat works with... Read more