QRZ Now

Syndicate content
All about Ham Radio
Updated: 36 min 20 sec ago

A Look at Vintage Ham Radio Gear Hamvention Flea Market [ Video ]

4 hours 32 min ago

(adsbygoogle = window.adsbygoogle || []).push({}); Antenna Yagi Antenna 4 antenna elements 5 bands October 29, 2015 No comments

Yagi Antenna  Frequency [Frequency]: 28, 24, 21, 18, ​​14 MHz Number of elements [Number of elements]: 4 Profit [Gain]: 9.5 – 9.0 dBd suppressio... Read more

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

4 element 70Mhz 4m Yagi LFA-R October 06, 2015 No comments

Description A 4 element 70MHz High Gain Yagi – The unique LFA-R from InnovAntennas! The LFA-R from InnovAntennas does away with the traditional... Read more

5 element TRI-BANDER – HB35c – Tet Emtron August 03, 2016 No comments

Description The HB35C utilises the most advanced three-band antenna design developed in recent years. This phase tuned 5 element TRI-BANDER is neither... Read more

Successful Wire Antennas November 09, 2015 No comments

Successful Wire Antennas Edited by Ian Poole, G3YWX and Steve Telenius-Lowe, 9M6DXX/ KH0UN If you are interested in wire antennas Successful Wire Ante... Read more

VHF 2017 BaoFeng DMR Upgraded Version! BaoFeng DM-5R PLUS Dual Band DMR Digital Radio 2000mAH November 04, 2016 No comments

BaoFeng DM-5R PLUS Transceiver Compatible with Motorola VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power Repeater Mode Ti... Read more

YAESU FT-60R May 28, 2015 No comments

YAESU FT-60R Yaesu’s newest 144/430 MHz 5-Watt FM Hand-held was introduced at Dayton 2004. The FT-60R includes wide receiver coverage, outstandi... Read more

G-Series P25 – VHF UHF and 700-800 MHz August 05, 2016 No comments

VIDEO http://www.unicationusa.com/ Read more

New release of PoC transceiver ICOM IP501H January 28, 2017 No comments

Product name / Type name IP ADVANCED RADIO SYSTEM PoC Transceiver / IP501H Suggested retail price Open price Release date Release in mid-February 2017... Read more

VHF Handbook Available for Download May 27, 2016 No comments

The new version of the IARU Region 1 VHF Handbook 7.50 covering VHF, UHF and Microwaves is now available for download. The handbook has chapters on Ba... Read more

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

WSPR World Watch v2 – Andorid APP – Propagation Tool January 22, 2015 No comments

This app answers the two basic questions facing radio amateurs:-  Which band shall I use ?  Where shall I point my beam ? It will be of interest to an... 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

SmartSDR for iOS v1.0.4 Now Available October 12, 2016 No comments

FlexRadio Systems announces the release of SmartSDR for iOS v1.0.4 is now available for download or update from the Apple App Store.  This release con... 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

Review FlexRadio Announce MultiFlex Software at Dayton Hamvention 2019 May 20, 2019 No comments

Read more

FT-DX101D Dealer Demonstration by Yaesu UK May 20, 2019 No comments

Read more

Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] May 19, 2019 No comments

  Read more

Kenwood booth talking to Don, W6GPS talking about the TS-890S May 18, 2019 No comments

Read more

Comet CAA-500 MK2 Antenna Analyzer Preview May 18, 2019 No comments

CAA-500MARKII SWR/Impedance Analyzer Highly accurate analog cross needles display SWR and impedance simultaneously. Full color TFT LCD display screen... Read more

The post A Look at Vintage Ham Radio Gear Hamvention Flea Market [ Video ] appeared first on QRZ NOW - Amateur Radio News.

Yasme Foundation Designates Supporting Grant, Excellence Award Recipients

6 hours 39 min ago

The Board of Directors of The Yasme Foundation has awarded $5,000 each to the Foundation for Amateur Radio (FAR) and ARRL scholarship programs for 2019, and $5,000 in general support to World Radiosport Team Championship 2022 (WRTC 2022) in Italy and a second grant to sponsor the so-called “Widow’s Ball” during WRTC 2022.

The Yasme Foundation Board also announced Yasme Excellence Award winners. They are:

  • Angel Vazquez, WP3R, for his work in disaster relief, and as an outstanding ambassador for Amateur Radio.
  • Nikola Percin, 9A5W, for his outstanding work in advancing Amateur Radio in Croatia and the surrounding region. He is a cofounder of 9A1A. Percin initiated efforts to recruit young amateurs and established youth programs in coordination with local universities.

The Yasme Excellence Award recognizes individuals and groups who, through their own service, creativity, effort, and dedication, have made significant contributions to Amateur Radio. These may be in recognition of technical, operating, or organizational achievement, as all three are necessary for the growth of Amateur Radio. The Yasme Excellence Award is in the form of a cash grant and an individually engraved crystal globe.

The Yasme Foundation is a not-for-profit corporation organized to support scientific and educational projects related to Amateur Radio, including DXing and the introduction and promotion of Amateur Radio in developing countries. 

Source: ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Review FlexRadio Announce MultiFlex Software at Dayton Hamvention 2019 May 20, 2019 No comments

Read more

FT-DX101D Dealer Demonstration by Yaesu UK May 20, 2019 No comments

Read more

Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] May 19, 2019 No comments

  Read more

Kenwood booth talking to Don, W6GPS talking about the TS-890S May 18, 2019 No comments

Read more

Comet CAA-500 MK2 Antenna Analyzer Preview May 18, 2019 No comments

CAA-500MARKII SWR/Impedance Analyzer Highly accurate analog cross needles display SWR and impedance simultaneously. Full color TFT LCD display screen... Read more

VHF The new dual band DMR smartphone announced by RFinder is the E81 May 18, 2019 No comments

Read more

Introducing three new Yaesu FT3-DR – Hamvention May 17, 2019 No comments

Read more

Yaesu FT-3DR C4FM/FM Dual Band Transceiver May 15, 2019 No comments

Yaesu FT-3DR Yaesu FT-3DR 5W C4FM/FM 144/430MHz Dual Band Digital Transceiver Reservation The new FT3DR provides reliable 5W RF power output in compac... Read more

Amateur Radio Roundtable to Livestream 50 Hours of Dayton Hamvention® May 15, 2019 No comments

Amateur Radio Roundtable and host Tom Medlin, W5KUB, will be back at Dayton Hamvention to livestream the activity and action before, during, and after... Read more

GMRS-50X1 – 50 Watt GMRS Mobile Radio from BTECH is Released May 11, 2019 No comments

“A High Power 50 Watt GMRS Mobile Radio from BTECH is Released BTECH announced today the North American release of the BTECH GMRS-50X1. The GMRS... Read more

Antenna Dual-band V-UHF Quad Antennas May 08, 2019 No comments

Why choose the 6BS-270 antenna versus a traditional Yagui? · Elements of full wavelength, reaching maximum efficiency in TX / RX. · Optimized design.... Read more

Chameleon Emcomm IIIP Antenna – Antenna, Portable, 160M-10M May 06, 2019 No comments

CHAMELEON ANTENNA EMCOMM-III Portable HF Antenna is specially designed for short to long range portable and man-pack HF communications. The EMCOMM III... Read more

Camouflaged Ham Radio Antenna April 19, 2019 No comments

Model Frequency (MHz) Gain (dBi) Length Feedline   VT-14 144-148 2.6 36 in. 3 ft. RG-58   VT-22 222-225 2.6 25 in. 3 ft. RG-58   VT-44 440-450 2.6 16... Read more

VK5SFA Wins the April QST Cover Plaque Award April 09, 2019 No comments

The winning article for the April 2019 QST Cover Plaque award is “A High-Power 160- and 80-Meter Transmitting Loop Antenna” by Steve Adler, VK5SFA. Th... Read more

What’s In The Box? DX Commander All Band Vertical April 04, 2019 No comments

Read more

App - Mobile New APP for digital QST March 25, 2019 No comments

Apple has released a new app for digital QST (version 5.1) readers that use that platform. A long-standing problem involved the inability of some Appl... Read more

6 Must Have Amateur Radio Apps! December 24, 2018 No comments

Read more

iWSPR TX – WSPR for iOS version 2.8 now available October 16, 2018 No comments

WSPR WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions.  Normal transmissions carry a station’s... Read more

RUMlogNG2Go for iOS version 3.5.2 now available August 19, 2018 No comments

Thomas Lindner, DL2RUM, is happy to announce the availability of version 3.5.2 of his RUMlogNG2Go logger for the iPhone and iPad.  RUMlogNG2Go can be ... Read more

SmartSDR for iOS v2.6.2 Now Available August 12, 2018 No comments

FlexRadio Systems announces the release of SmartSDR for iOS v2.6.2 is now available for download or update from the Apple App Store. This App requires... Read more

Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

FT4 Video presentation by K1JT April 24, 2019 No comments

See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more

Faster, More Contest-Friendly FT4 Digital Protocol to Debut in a Week April 23, 2019 No comments

A new, speedier, more contest-friendly digital mode is just days away in beta version. WSJT-X Developers say serious work on the new FT4 protocol bega... Read more

The FT4 Protocol for Digital Contesting by K1JT April 22, 2019 No comments

Joe Taylor, K1JT, Steve Franke, K9AN, and Bill Somerville, G4WJS April 22, 2019 Introduction: FT4 is an experimental digital mode designed specificall... Read more

The post Yasme Foundation Designates Supporting Grant, Excellence Award Recipients appeared first on QRZ NOW - Amateur Radio News.

AMSAT-NA Issues Call for Board of Directors’ Nominations

6 hours 44 min ago

AMSAT is soliciting nominations for its Board of Directors election. Four directors’ terms expire this year: Jerry Buxton, N0JY; Clayton Coleman, W5PFG; Drew Glasbrenner, KO4MA; and Paul Stoetzer, N8HM. In addition, up to two Alternates may be elected for 1-year terms.

A valid nomination requires either one member-society or five individual members in good standing to nominate an AMSAT member for Director. Written nominations, consisting of the nominee’s name and call sign and the nominating individuals’ names, call signs, and individual signatures should be mailed to AMSAT, 10605 Concord St., Suite 304, Kensington, MD 20895-2526.

Hard-copy nominations are the preferred method, but an intent to nominate may be submitted electronically to martha@amsat.org or faxed to 301-822-4371. Petitions must arrive at the AMSAT office no later than June 15. In the case of electronic nominations, a verifying traditional written petition must be received at the AMSAT office within 7 days following the close of nominations on June 15 to be considered valid. — Thanks to AMSAT News Service 

Source:ARRL

Antenna Arduino Mega2560 based Antenna Rotator Controller June 08, 2016 No comments

by Vinod Es “Well after a long time I am back with a new project ! This is an attempt to build an Antenna rotator controller using Arduino Mega... Read more

GB HF Quad 3 el / 3 band November 23, 2015 No comments

Details GB HF Quad 3elm 3band 10-15-20m Turning:3,80m (12,4ft) Boom:5,50m (18ft) Fiberglass rod:4,00m Gain:9db F/B:20/25db F/S:20/30db VSWR:1:1:1 on R... Read more

2/2 (4) element 18/24MHz Yagi (1.5m) Force12 December 28, 2014 No comments

The 4-LFAR-17/12, an Excellent super-compact Dual band LFA-R Yagi for the 17m & 12mbands The LFA-R is one of the latest designs from the desk of G... Read more

Mobile Antenna Model 100A-HP 3.2 to 29 MHz August 29, 2015 No comments

Mobile Antenna Model 100A-HP When properly installed on your vehicle the Model 100A-HP will provide continuous coverage from 3.2 to 29 MHz with the su... Read more

VHF Wouxun KG-D901 DMR realese 2016 December 08, 2015 No comments

WOUXUN have recently announced a new radio coming to market in Q1 2016 and this will be a DMR (Digital Mobile Radio) and also come complete with analo... Read more

New ! ICOM A120 VHF Air Band Transceiver January 05, 2016 No comments

VHF Air Band Mobile Radio Icom’s A120 air band mobile introduces two new features: Active Noise Cancelling (ANC) and Bluetooth® capabilities. The newl... Read more

YANTON DM-980 August 13, 2015 No comments

YANTON DM-980 Built for dual-mode (Digital+ Analog) 1000Channels Versatile Voice Call (Private call,group call, all call and emergency call) Digital e... Read more

Baofeng DM-5R Buyer Beware by VE3IPS September 16, 2016 No comments

“I have been alerted by several hundred emails about the launch of the new Baofeng DM-5R (I am the President of the Toronto Baofeng users group... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment Icom IC-R8600 August 19, 2016 No comments

Icom IC-R8600 Ham Fair exhibition at 2016, so today (8/19) and I went to. Also, the new products that get out of the booth icom go, IC-R8600 desktop t... Read more

Yaesu FTDX101D [ Preliminary Information ] August 24, 2018 No comments

Yaesu FTDX101D As you are aware there is the soon to be released Yaesu FTdx101D 100W SDR transceiver. I am also pleased to announce the big brother of... Read more

The ZN-9CRB IAMBIC KEYS by N3ZN March 16, 2015 No comments

  IAMBIC KEYS   The ZN-9CRB, classic round base, has a 7/8″ x  3″ diameter brass base and weight 2 pound 4 ounces. This paddle is uni... Read more

NooElec NESDR Nano 2 – 25MHz-1750MHz December 03, 2015 No comments

Product Description   Brand new re-design! The NESDR Nano 2 are custom-made by NooElec for SDR applications, though they will still function as qualit... Read more

App - Mobile HamSphere 4.0 Mobile APP May 25, 2017 No comments

HamSphere 4.0 Mobile is a virtual portable Ham Radio transceiver for Shortwave, VHF and UHF bands. Talk with thousands of Ham Radio operators around t... 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

Architecture of Radio APP [ Video´s ] March 09, 2016 No comments

Architecture of Radio Architecture of Radio is a neat app, showing you what the world of radio “would” look like, if you could see in the... Read more

Koch Morse Trainer Pro – Android App January 12, 2015 No comments

  Take your morse code to the next level with Koch Morse Trainer Pro. The only trainer that supports prosigns (procedural signals) and non-english cha... Read more

The post AMSAT-NA Issues Call for Board of Directors’ Nominations appeared first on QRZ NOW - Amateur Radio News.

RGO ONE at Dayton HAM VENTION 2019

Mon, 05/20/2019 - 13:27

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment Radioenge – RA-S1 – Antenna Rotator System May 16, 2015 No comments

Radioenge – RA-S1 Rotor controller RA-S1 is a digital controller for controlling rotor azimuthal position Features Speed control by PWM (Pulse W... Read more

DU3500AL Automatic Tuner by HA8DU March 17, 2015 No comments

  DU3500AL  Automatic Tuner by HA8DU Frequency range : 1,8-30MHz Matching range : max power  5:1  SWR 1,8MHz   35  ohm –   150 ohm 3,5MHz  ... Read more

TAJFUN 1000 50 MHz – 1KW November 13, 2014 No comments

    Description TAJFUN 1000 is small, lightweight but robus LDMOS Power Amplifier Freqency Coverage: 50 MHz Operating Mode: FM, CW, SSB, DIG... Read more

New Russian PA. 2000 Watts . Liquid cooling. Weighs only 14 pounds! January 27, 2019 No comments

  BURST 2000A HF power amplifier BURST-2000A 2200 W PEP output power (SSB and CW) All HF bands, including WARC bands and 6 meters Rated input pow... Read more

VHF Icom Amateur Radio and D-STAR Catalogues , Now Available to Download! July 28, 2015 No comments

“The 2015 editions of the Icom Amateur radio and D-STAR catalogues are now available to download from this website. Both catalogues have been up... Read more

Baofeng DM-5R: Manuals and Software September 21, 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

Icom Launches New IC-M25 VHF Marine Radio at the Southampton Boat Show 2015 September 08, 2015 No comments

Icom UK will be showcasing its latest range of marine communication products at this year’s Southampton Boatshow. Launching at this year’s Southampton... Read more

Getting started on Ham Radio 2M FM BY K7AGE July 17, 2015 No comments

In this series of Ham Radio videos, I’ll show you how to program a 2M HT to get on the air along with some of the basics of 2M FM operating.. In... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

FT4 Video presentation by K1JT April 24, 2019 No comments

See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more

Faster, More Contest-Friendly FT4 Digital Protocol to Debut in a Week April 23, 2019 No comments

A new, speedier, more contest-friendly digital mode is just days away in beta version. WSJT-X Developers say serious work on the new FT4 protocol bega... Read more

Antenna Inac Antenna AH-2054 (15, 12, 11, 10, 6 m. band) January 03, 2015 No comments

Inac Antenna AH-2054 antenna is a high performance halo. Supports a high level of radio frequency between 160 and 360W. It covers the HF bands higher,... Read more

2 Meter Halo Antenna by Mike Fedler N6TWW October 08, 2015 No comments

2 Meter Halo Antenna Project Background & Goals There are two previous versions of my loop antenna that were built before the antenna you see now.... Read more

6 el 50MHz LFA-R reflectorless Yagi February 14, 2015 No comments

Description The new LFA-R reflector-less Yagi is a step forward in Yagi design and performance. Excellent levels of gain per foot of boom from this co... Read more

JK2040-Hawk – Yagi antenna of 5 elements for the 20 m band and 3 elements for the 40 m band on a 40 foot (12.19 m) boom September 21, 2018 No comments

The JK2040 Hawk has phenomenal performance characteristics on 20m and 40m. The 38ft boom 20m Yagi has been optimized for high gain and a good F/R with... Read more

The post RGO ONE at Dayton HAM VENTION 2019 appeared first on QRZ NOW - Amateur Radio News.

FlexRadio Announce MultiFlex Software at Dayton Hamvention 2019

Mon, 05/20/2019 - 09:36

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment RGO ONE at Dayton HAM VENTION 2019 May 20, 2019 No comments

Read more

RF-KIT RF2K-S Amplifier – Legal Limit Solid State PA May 19, 2019 No comments

General Features: Output Power 1.8 – 30 MHz 2K+, 6m 1K+ Device: 2x BLF189XR Auto Band Selection ICOM®; YAESU® Band data Interface CAT Connectivity LAN... Read more

HF Clock / Satellite Tracker /Solar Index Touchscreen Terminal May 19, 2019 No comments

HFClock Internet Based Clock System – 9″ Tiger Maple Frame The HFClockTM represents the industry’s first highly integrated clock designed... Read more

MB1 SDR HF/6M/VHF Transceiver, Expert Electronics [ Hamvention ] May 18, 2019 No comments

  Read more

VHF The new dual band DMR smartphone announced by RFinder is the E81 May 18, 2019 No comments

Read more

Introducing three new Yaesu FT3-DR – Hamvention May 17, 2019 No comments

Read more

Yaesu FT-3DR C4FM/FM Dual Band Transceiver May 15, 2019 No comments

Yaesu FT-3DR Yaesu FT-3DR 5W C4FM/FM 144/430MHz Dual Band Digital Transceiver Reservation The new FT3DR provides reliable 5W RF power output in compac... Read more

Amateur Radio Roundtable to Livestream 50 Hours of Dayton Hamvention® May 15, 2019 No comments

Amateur Radio Roundtable and host Tom Medlin, W5KUB, will be back at Dayton Hamvention to livestream the activity and action before, during, and after... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); News A Look at Vintage Ham Radio Gear Hamvention Flea Market [ Video ] May 21, 2019 No comments

Read more

Yasme Foundation Designates Supporting Grant, Excellence Award Recipients May 21, 2019 No comments

The Board of Directors of The Yasme Foundation has awarded $5,000 each to the Foundation for Amateur Radio (FAR) and ARRL scholarship programs for 201... Read more

AMSAT-NA Issues Call for Board of Directors’ Nominations May 21, 2019 No comments

AMSAT is soliciting nominations for its Board of Directors election. Four directors’ terms expire this year: Jerry Buxton, N0JY; Clayton Coleman... Read more

Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA May 17, 2019 No comments

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages with... Read more

App - Mobile New APP for digital QST March 25, 2019 No comments

Apple has released a new app for digital QST (version 5.1) readers that use that platform. A long-standing problem involved the inability of some Appl... Read more

6 Must Have Amateur Radio Apps! December 24, 2018 No comments

Read more

iWSPR TX – WSPR for iOS version 2.8 now available October 16, 2018 No comments

WSPR WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions.  Normal transmissions carry a station’s... Read more

RUMlogNG2Go for iOS version 3.5.2 now available August 19, 2018 No comments

Thomas Lindner, DL2RUM, is happy to announce the availability of version 3.5.2 of his RUMlogNG2Go logger for the iPhone and iPad.  RUMlogNG2Go can be ... Read more

The post FlexRadio Announce MultiFlex Software at Dayton Hamvention 2019 appeared first on QRZ NOW - Amateur Radio News.

FT-DX101D Dealer Demonstration by Yaesu UK

Mon, 05/20/2019 - 08:44

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

Antenna QST Antenna Design Competition Submission Deadline Looms August 01, 2018 No comments

The deadline to submit a design for the 2018 QST Antenna Design Competition is just ahead — September 1! The competition challenge is to design the be... Read more

Indoor Attic Dipole Antenna for Ham Radio & CQ Antennas Center Insulators January 24, 2018 No comments

“Viewer request to try out an antenna for Ham Radio in the attic. Using the CQ Antennas Center Insulators from KE5FEN. Thanks David for the insu... Read more

Antenna Fundamentals 1 Propagation [ Video ] June 01, 2016 No comments

Read more

How High Should a Dipole Be? A Look at Antenna Modeling October 05, 2017 No comments

“How high should a dipole be? What happens if it’s too low or too high? We turn to EZNEC antenna modeling software to see that the old rul... Read more

VHF APRS, Baofeng , and Buying Used – Ham Radio Q&A October 04, 2018 No comments

   FCC Enforcement Advisory – Baofeng Update APRS Digipeaters and Wide1-1 path: 01:03 Buying Used Ham Radio Gear: 05:04 Update to the Illeg... Read more

Introducing Hytera Multi-mode Advanced Radio Voice is still critical, enriched with broadband data May 23, 2017 No comments

Hytera, a leading global provider of innovative professional mobile radio (PMR) communications solutions, officially launched its highly anticipated L... Read more

BCR-220 Repeater – 222-225 MHz – 30 Watts April 13, 2015 No comments

ntroducing the ComLink BCR FM Repeater System by BridgeCom Systems, Inc. The BCR Repeater provides a feature rich, extremely reliable repeater/base s... Read more

BTECH UV-5X3 Handheld Tribander August 21, 2016 No comments

BTECH UV-5X3 An Affordable Tribander HT Available Today! BaoFeng Tech announced today the release of the BTECH UV-5X3  The UV-5X3 is more than just a... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); News Techniques of the Best Operators – HRN 216 September 03, 2015 No comments

Mitch Stern W1SJ’s popular talk at the 2015 Dayton Hamvention® will help new hams learn some good habits, and old hams (who are willing to chang... Read more

Ham College 13 The history of SOS, Emergency and net questions. Transistors. January 31, 2016 No comments

The history of SOS, Emergency and net questions. Transistors. Read more

Florida Ham Agrees to Penalty for Failure to Identify December 13, 2015 No comments

“The Enforcement Bureau (Bureau) of the Federal Communications Commission has entered into a Consent Decree to resolve its investigation into wh... Read more

Hytera UK Introduction [ Video ] March 03, 2015 No comments

Hytera Read more

Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

FT4 Video presentation by K1JT April 24, 2019 No comments

See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more

Faster, More Contest-Friendly FT4 Digital Protocol to Debut in a Week April 23, 2019 No comments

A new, speedier, more contest-friendly digital mode is just days away in beta version. WSJT-X Developers say serious work on the new FT4 protocol bega... Read more

The post FT-DX101D Dealer Demonstration by Yaesu UK appeared first on QRZ NOW - Amateur Radio News.

RF-KIT RF2K-S Amplifier – Legal Limit Solid State PA

Sun, 05/19/2019 - 18:34


General Features:

  • Output Power 1.8 – 30 MHz 2K+, 6m 1K+
  • Device: 2x BLF189XR
  • Auto Band Selection
  • ICOM®; YAESU® Band data Interface
  • CAT Connectivity
  • LAN Connectivity (for local or/and internet use)
  • Wi-Fi Connectivity
  • Quiet Internal PSU 110-260V AC / 3KW
  • up to 1K at 110V AC; full power at 230V AC
  • internal Automatic Antenna Tuner
  • 1x TRX IN and 4x Antenna OUT
  • Precise power meter from 100 mW through 3 KW
  • Measuring output 0dB (Predistortion)
  • 7 inch Touchscreen
  • Software Update through Internet
  • Remote Internet operation via PC; Tablet or cell phone supporting all platforms like Apple IOS, Android, Linux and Windows
  • Different user selectable display
  • H 7,5 x B 12 x D 17 inch  ( H 19cm x B 31cm x T 42cm )
  • Weight app. 33 pounds  ( 15Kg )

 

B26-RF 2K+ KIT 2018

Since the demand for assemblies has increased, it is unfortunate that we no longer have an option to package and send all of the individual parts. To make it easier for everyone, the B26-RF 2K+.amplifier will only be offered as a more complete kit.

What are the primary differences in the individual kit parts and assemblies that were sold previously to allow the user to build a fully functional amplifier versus the PA KIT that is now offered and sold by RF-KIT?

The  PA kit now comes fully assembled (ie all mechanical assembly is complete with drilling and thread cutting professionally implemented).
The PA kit is also already pre-wired with most of the components mounted and only minor HF cabling that is needed for completion by the user.

https://rf-kit.de

(adsbygoogle = window.adsbygoogle || []).push({}); Antenna RCS-12 Automatic Remote Antenna Switch December 04, 2014 No comments

  The RCS-12 is an automatic remote antenna switch. It reads information from the transceiver and selects the pre-programmed antenna automaticall... Read more

The 10/15/20 Meter Trap Vertical Antenna January 01, 2015 No comments

  “This antenna project came out very nice. It’s a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 met... Read more

Low Cost Magnetic Loop Antenna For 10-12 Meters May 09, 2016 No comments

“I decided to build a magnetic loop antenna that would cover the ham radio frequencies from around 20 to 30 Mhz so I could use it on portable wi... Read more

Baluns : What They Do And How They Do lt April 09, 2015 No comments

    By Roy lV. Lewallen I’ve always been a bit bothered by balunst since I was never sure what they are supposed to dot let alone hotv they... Read more

VHF The new dual band DMR smartphone announced by RFinder is the E81 May 18, 2019 No comments

Read more

Introducing three new Yaesu FT3-DR – Hamvention May 17, 2019 No comments

Read more

Yaesu FT-3DR C4FM/FM Dual Band Transceiver May 15, 2019 No comments

Yaesu FT-3DR Yaesu FT-3DR 5W C4FM/FM 144/430MHz Dual Band Digital Transceiver Reservation The new FT3DR provides reliable 5W RF power output in compac... Read more

Amateur Radio Roundtable to Livestream 50 Hours of Dayton Hamvention® May 15, 2019 No comments

Amateur Radio Roundtable and host Tom Medlin, W5KUB, will be back at Dayton Hamvention to livestream the activity and action before, during, and after... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment 160-6 Meter Solid State Linear Amplifier [ TEN-TEC ] January 12, 2015 No comments

      Generating 100 Watts of output from as little as 5 Watts of input, the Model 418 Amplifier raises the bar for reliable and effici... Read more

Harbor Freight Solar Panel for Ham Radio [ Video ] May 07, 2016 No comments

As an easy introductory solar project I purchased Harbor Freight’s 45 watt solar kit for my ham radio use.   Read more

ULTRAFLEX 7, the WRTC 2018 official cable – Messi & Paoloni November 19, 2018 No comments

Messi & Paoloni – Notwithstanding its small dimension (7,3 mm) its performances are so good to outperform RG 213/U (10,2 mm) and put into sh... Read more

XPA125B 125W Solid State Linear Amplifier July 05, 2018 No comments

  Xiegu XPA125B is a small and lightweight 125 watt HF and 50 MHz solid state linear power amplifier perfect for your QRP radio or low power SDR... Read more

Review FlexRadio Announce MultiFlex Software at Dayton Hamvention 2019 May 20, 2019 No comments

Read more

FT-DX101D Dealer Demonstration by Yaesu UK May 20, 2019 No comments

Read more

Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] May 19, 2019 No comments

  Read more

Kenwood booth talking to Don, W6GPS talking about the TS-890S May 18, 2019 No comments

Read more

The post RF-KIT RF2K-S Amplifier – Legal Limit Solid State PA appeared first on QRZ NOW - Amateur Radio News.

HF Clock / Satellite Tracker /Solar Index Touchscreen Terminal

Sun, 05/19/2019 - 10:18

HFClock Internet Based Clock System – 9″ Tiger Maple Frame

The HFClockTM represents the industry’s first highly integrated clock designed for use by amateur radio operators. The clocks feature Wi-Fi-based Internet connectivity, a full-color WVGA Liquid Crystal Display with a touchscreen, and the real-time display of numerous data expressly for the amateur radio operator.

The clocks utilize the Network Time Protocol (NTP) which is intended to synchronize all participating computers to within a few milliseconds of Coordinated Universal Time (UTC). The protocol utilizes an algorithm to select accurate time servers and is designed to mitigate the effects of variable network latency. NTP can usually maintain time to within tens of milliseconds over the public Internet and can achieve better than one-millisecond accuracy in local area networks under ideal conditions.

Users simply configure the clock to connect to their Wi-Fi router, enter their call sign/name and a home position (DE), and select how they prefer units to be displayed, Imperial or Metric. Additionally, the user may optionally select a satellite to track in real-time. Once configured, the user may further customize colors to be used for their call sign or name. New firmware updates may be installed via Wi-Fi at the discretion of the user.

The clocks are available with 7” and 9” LCD’s and users may select from furniture-grade hand-finished Walnut, Cherry, and Tiger Maple wooden frames. The HFClocks have been designed by amateur radio operators for radio operators. They are robust in construction and designed for many years of continuous service. The clocks may be hung on a wall, placed on the desktop, or otherwise displayed at your station, home, or office. Start your journey by exploring our hand-finished timepieces made right here in the USA 

Purchase your HFClock from GigaParts Today! 

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

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

Antenna BEAM 11 elements 3 bands November 19, 2015 No comments

11 BEAM antenna elements 3 bands Frequency [Frequency]: 28, 21, 14 MHz Number of elements [Number of elements]: 28 MHz – 5 el. 21 MHz – 3... Read more

Build your own Hexagonal Beam January 03, 2015 No comments

The hexagonal beam (or known by many as the hex beam) has become a wildly popular antenna. It is a directional antenna that provides great performance... Read more

Omni-Directional – Circularly (Mixed) Polarized Antenna for 144 MHz / VHF / 2 Meters. August 18, 2015 No comments

Introduction and Background This is an experimental project that may lead to further development in the future, but even as presented below, it does w... Read more

Equipment DZKit Sienna HF Receiver/Transceiver Kit July 24, 2015 No comments

True kit – soldering required (about 40 hours to build boards, assemble, cal and test) Modular (start small, add modules as your budget allows)... Read more

AR5001D 40kHz-3.15GHz, Professional Grade Communications Receiver February 16, 2016 No comments

AR5001D 40kHz-3.15GHz Cellular frequencies blocked on USA version; unblocked version available to qualified entities, documentation required. Download... Read more

HAMlab – 160-6 10W January 11, 2019 No comments

HAMlab is a fully functional SDR transceiver with 160-10m band coverage and 10W of output power built around the STEMlab platform. It gives you an out... Read more

Kenwood TS-990S HF/6m Flagship Base Station Being Built January 03, 2015 No comments

Kenwood TS-990S  HF/6m Giving you a rare glimpse behind the scenes at Kenwood’s Communications Division factory at Yamagata, in northern Japan,... Read more

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

App - Mobile CWSpeed IOS App – The fun and efficient way of learning morse code March 19, 2015 No comments

Description The fun and efficient way of learning morse code! Features: – Uses Koch’s training method (the most efficient known to date)... Read more

EchoLink App for IOS8 November 15, 2014 No comments

Description Please note: This app is for licensed Amateur Radio operators only. See www.echolink.org for more information. EchoLink for iOS provides a... Read more

HAM QuickLog – IOS App December 03, 2014 No comments

  Mircules HAM QuickLog is great new HAM radio logging software for the iPad, for quick and easy HAM Logging. This handy app helps you to quickly... Read more

Training fast CW on Android (Koch method) March 12, 2015 No comments

    The user starts by recognizing only two letters, M and K, at high speed (at least 20WPM) on a 5 minutes session. When she or he will be able... Read more

VHF The Remarkable Retevis Ailunce HD1 DMR Handheld May 11, 2018 No comments

Ailunce HD1 Dual Band DMR Digital DCDM TDMA Waterproof Two Way Radio Description: HD1 dual band digital radio uses Digital Mobile Radio (DMR) Tier 2 S... Read more

New ! Wouxun KG-D2000 and KG-D901 DMR APRS GPS – 10 Watts October 07, 2016 No comments

“WOUXUN ELECTRONICS sincerely invites esteemed you and your company representatives to visit our booth at the coming Hong Kong Electronics Show... Read more

BaoFeng BF-UVS9 December 17, 2018 No comments

BaoFeng BF-UVS9 Product Features Brand:BAOFENG Type of radio:Portable SKU:Baofeng BF-UVS9 walkie talkie Frequency Range:VHF 136-174 MHz UHF 400-520MHz... Read more

Unbox the Radioddity GD-77 July 18, 2017 No comments

Unboxing the not-yet-released Radioddity GD-77, their “try again” DMR Tier 1/Tier 2 radio. I describe many of the promised features. It... Read more

The post HF Clock / Satellite Tracker /Solar Index Touchscreen Terminal appeared first on QRZ NOW - Amateur Radio News.

Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ]

Sun, 05/19/2019 - 07:54

 

(adsbygoogle = window.adsbygoogle || []).push({}); News A Look at Vintage Ham Radio Gear Hamvention Flea Market [ Video ] May 21, 2019 No comments

Read more

Yasme Foundation Designates Supporting Grant, Excellence Award Recipients May 21, 2019 No comments

The Board of Directors of The Yasme Foundation has awarded $5,000 each to the Foundation for Amateur Radio (FAR) and ARRL scholarship programs for 201... Read more

AMSAT-NA Issues Call for Board of Directors’ Nominations May 21, 2019 No comments

AMSAT is soliciting nominations for its Board of Directors election. Four directors’ terms expire this year: Jerry Buxton, N0JY; Clayton Coleman... Read more

Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA May 17, 2019 No comments

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages with... Read more

Antenna The Antenna SA-680HP covers 10 through 80 meters January 26, 2015 No comments

      The SA-680HP covers 10 through 80 meters  with supplied 6 foot whip.        • Length retracted: 39” Extended:57”     • 3 inch dia... Read more

4 Ways to Use Your AlexLoop Antenna November 18, 2016 No comments

AlexLoop Walkham Portable Small Magnetic Loop Antenna The AlexLoop Walkham was designed by PY1AHD Alexandre Grimberg and has had over twelve years of... Read more

XR3-NV | HIGH PERFORMANCE 14 ELEMENT 20 / 15 / 10 METER MULTI-MONO CONTEST YAG June 03, 2016 No comments

The Ultimate Contest Tribander: fourteen elements delivering superior performance on 20, 15 and 10 meters! Click here to download a PDF of the XR6 pro... Read more

Vertical Dipole Bravo 7K – 7 band coverage: 40-30-20-17-15-12-10 April 26, 2015 No comments

  Vertical Dipole Bravo 7K    7 band coverage: 40-30-20-17-15-12-10 manual tune 20-17-15-12-10 meters are full size setting tubing lengths High Q... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment Ailunce HS1 HF SDR HAM Transceiver March 18, 2019 No comments

Ailunce HS1 Description: Spectrum Dynamic Waterfall Display Multiple Working Modes:Receive Mode, Transmit Mode, TUNE Mode, VFO Mode, SPLIT Mode DSP Di... Read more

New Russian PA. 2000 Watts . Liquid cooling. Weighs only 14 pounds! January 27, 2019 No comments

  BURST 2000A HF power amplifier BURST-2000A 2200 W PEP output power (SSB and CW) All HF bands, including WARC bands and 6 meters Rated input pow... Read more

Icom IC-7700 + QST Review June 09, 2016 No comments

Icom IC-7700 110dB dynamic range and +40dBm 3rd order Intercept Point (IP3) The IP3 performance of a radio can be improved by sacrificing sensitivity,... Read more

INRAD DMS-650 Desk Microphone May 16, 2018 No comments

The INRAD DMS-629 and DMS-650 microphones have been chosen by FlexRadio as the official desk microphones for use with all of our transceivers.  M629 o... Read more

Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

FT4 Video presentation by K1JT April 24, 2019 No comments

See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more

Faster, More Contest-Friendly FT4 Digital Protocol to Debut in a Week April 23, 2019 No comments

A new, speedier, more contest-friendly digital mode is just days away in beta version. WSJT-X Developers say serious work on the new FT4 protocol bega... Read more

The post Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] appeared first on QRZ NOW - Amateur Radio News.

MB1 SDR HF/6M/VHF Transceiver, Expert Electronics [ Hamvention ]

Sat, 05/18/2019 - 13:45

(adsbygoogle = window.adsbygoogle || []).push({}); Review FlexRadio Announce MultiFlex Software at Dayton Hamvention 2019 May 20, 2019 No comments

Read more

FT-DX101D Dealer Demonstration by Yaesu UK May 20, 2019 No comments

Read more

Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] May 19, 2019 No comments

  Read more

Kenwood booth talking to Don, W6GPS talking about the TS-890S May 18, 2019 No comments

Read more

Comet CAA-500 MK2 Antenna Analyzer Preview May 18, 2019 No comments

CAA-500MARKII SWR/Impedance Analyzer Highly accurate analog cross needles display SWR and impedance simultaneously. Full color TFT LCD display screen... Read more

Antenna Dual-band V-UHF Quad Antennas May 08, 2019 No comments

Why choose the 6BS-270 antenna versus a traditional Yagui? · Elements of full wavelength, reaching maximum efficiency in TX / RX. · Optimized design.... Read more

Chameleon Emcomm IIIP Antenna – Antenna, Portable, 160M-10M May 06, 2019 No comments

CHAMELEON ANTENNA EMCOMM-III Portable HF Antenna is specially designed for short to long range portable and man-pack HF communications. The EMCOMM III... Read more

Camouflaged Ham Radio Antenna April 19, 2019 No comments

Model Frequency (MHz) Gain (dBi) Length Feedline   VT-14 144-148 2.6 36 in. 3 ft. RG-58   VT-22 222-225 2.6 25 in. 3 ft. RG-58   VT-44 440-450 2.6 16... Read more

VK5SFA Wins the April QST Cover Plaque Award April 09, 2019 No comments

The winning article for the April 2019 QST Cover Plaque award is “A High-Power 160- and 80-Meter Transmitting Loop Antenna” by Steve Adler, VK5SFA. Th... Read more

What’s In The Box? DX Commander All Band Vertical April 04, 2019 No comments

Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment New UT-133A Bluetooth Unit for Icom Mobile Radios July 06, 2016 No comments

The current Icom UT-133 Bluetooth unit is being replaced with a new version that is compatible with not only the ID-5100E and IC-2730E Amateur Radio m... Read more

Ultra portable antenna tower for ham radio 34′ February 19, 2016 No comments

Ultra portable antenna tower Collapsible portable antenna tower. For ham radio, cellular, light, camera, satellite, radio communications etc. FOR SALE... Read more

BITX40: A Fully Assembled $45 SSB QRP transceiver October 23, 2016 No comments

BITX40 Work the world on 40 meters When was the last time you used a radio you had built? The BITX40 board is single circuit board 40 meter SSB transc... Read more

Radioenge – RA-S1 – Antenna Rotator System May 16, 2015 No comments

Radioenge – RA-S1 Rotor controller RA-S1 is a digital controller for controlling rotor azimuthal position Features Speed control by PWM (Pulse W... Read more

Alpha 4510A 3KW Wattmeter with 160M to 6M coverage February 10, 2015 No comments

  Alpha 4510A QRP TO QRO.  Our Wattmeters can measure from 200 milliwatts to 5 kilowatts, from 160 meters to 6 meters with no slugs!  They displa... Read more

 

The post MB1 SDR HF/6M/VHF Transceiver, Expert Electronics [ Hamvention ] appeared first on QRZ NOW - Amateur Radio News.

The new dual band DMR smartphone announced by RFinder is the E81

Sat, 05/18/2019 - 13:14

(adsbygoogle = window.adsbygoogle || []).push({}); Antenna 10 Element Triple Monobander 80/40/20m – OptiBeam January 01, 2015 No comments

  OptiBeam           OB804020   10 Element Triple Monobander 80/40/20m               Bands   80 / 40 / 20     Gain (dBd) *   3,8 / 4,8 / 8,4    ... 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

IS THIS THE ULTIMATE 2M CONTEST ARRAY? December 16, 2016 No comments

2 x el G0KSC / InnovAntennas rigid quads with additional parasitic reflector. 16.64dBi/14.48dBd when placed 20′ (5m) above average ground with m... 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

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

App - Mobile US Amateur Radio Band Plan for Android May 06, 2015 No comments

    US Amateur Radio Band Plan A clean native app that’s sole purpose is to provide amateur radio operators a simple and easy to use f... Read more

Satellite Explorer Pro – IOS App November 23, 2014 No comments

‘Satellite Explorer Pro’ is a tool for tracking satellites in real time. It is not a game. Be sure to visit the support web site http://ww... Read more

Morse code Ringtone Generator by M1RGZ December 11, 2014 No comments

“This page converts text into a morse code ringtone playable on most mobile phones. If your phone can play ‘polyphonic’ or ‘po... Read more

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

New APP for digital QST March 25, 2019 No comments

Apple has released a new app for digital QST (version 5.1) readers that use that platform. A long-standing problem involved the inability of some Appl... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

News Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA May 17, 2019 No comments

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages with... Read more

First Ham Satellite — OSCAR 1 — will Join AMSAT’s 50th Anniversary Celebration at Dayton May 16, 2019 No comments

A working prototype of OSCAR 1, Amateur Radio’s first satellite, will be on display at AMSAT’s Dayton Hamvention® booth. AMSAT’s exhibit will be in Bu... Read more

VHF The new dual band DMR smartphone announced by RFinder is the E81 May 18, 2019 No comments

Read more

Introducing three new Yaesu FT3-DR – Hamvention May 17, 2019 No comments

Read more

The post The new dual band DMR smartphone announced by RFinder is the E81 appeared first on QRZ NOW - Amateur Radio News.

Kenwood booth talking to Don, W6GPS talking about the TS-890S

Sat, 05/18/2019 - 13:02

(adsbygoogle = window.adsbygoogle || []).push({}); VHF BAOFENG UV-82 Dual Band Handheld Transceiver Radio Walkie Talkie January 25, 2015 No comments

    Description : BAOFENG UV-82 Dual Band Handheld Transceiver Radio Walkie Talkie The latest radio to come from Baofeng! This radio has upp... Read more

TYT SW-102 VHF / UHF SWR METER WITH RF POWER METER AND FREQUENCY COUNTER March 27, 2017 No comments

VSWR. Forward and reflected power direct digital readout, without any calibration. Maximum measurable power range up to 120W. low insertion loss (0.3... Read more

I talked to space! NA1SS QSO KG5AKV November 04, 2018 No comments

International Space Station “I talked to space today! Astronaut Serena Auñón-Chancellor has made random unscheduled contacts on some of the Satu... Read more

Wouxun KG-UV9D January 19, 2015 No comments

Wouxun KG-UV9D Experience Multi-Band excitement with the Wouxun KG-UV9D! This multi-modulation two way radio combines dual band transmission, 7 band r... Read more

Equipment Xiegu X5105 HF+6m Transceiver December 28, 2015 No comments

Xiegu X5105 “Here is a pic of the new Xiegu X5105… Xiegu Tech will launch new products. I’m very pleased to share relevant information wit... 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

OM-Power 4001A Fully Automatic HF Amplifier September 23, 2018 No comments

OM-Power 4001A Fully Automatic HF Amplifier General description and the advantages of the OM4001A amplifier The OM Power model OM4001A is an automatic... Read more

ANAN-7000DLE 100W HF & 6M Transceiver July 16, 2017 No comments

The ANAN-7000DLE HF & 6M 100W SDR Transceiver offers top of the line performance is a compact rugged package, it is based on the work of the OpenH... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); News Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA May 17, 2019 No comments

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages with... Read more

First Ham Satellite — OSCAR 1 — will Join AMSAT’s 50th Anniversary Celebration at Dayton May 16, 2019 No comments

A working prototype of OSCAR 1, Amateur Radio’s first satellite, will be on display at AMSAT’s Dayton Hamvention® booth. AMSAT’s exhibit will be in Bu... Read more

The FCC is Not Reinstating a Vanity Call Sign Fee May 16, 2019 No comments

An erroneous report this week suggested that the FCC planned to again impose an Amateur Radio vanity call sign application (regulatory) fee of $70 for... Read more

Arizona Homeowners Association and Hams Agree on Outdoor Antenna Guidelines May 15, 2019 No comments

The Board of Directors of an antenna-restricted community in Arizona voted overwhelmingly in April to allow radio amateurs to erect certain outdoor an... Read more

Antenna Dual-band V-UHF Quad Antennas May 08, 2019 No comments

Why choose the 6BS-270 antenna versus a traditional Yagui? · Elements of full wavelength, reaching maximum efficiency in TX / RX. · Optimized design.... Read more

Chameleon Emcomm IIIP Antenna – Antenna, Portable, 160M-10M May 06, 2019 No comments

CHAMELEON ANTENNA EMCOMM-III Portable HF Antenna is specially designed for short to long range portable and man-pack HF communications. The EMCOMM III... Read more

Camouflaged Ham Radio Antenna April 19, 2019 No comments

Model Frequency (MHz) Gain (dBi) Length Feedline   VT-14 144-148 2.6 36 in. 3 ft. RG-58   VT-22 222-225 2.6 25 in. 3 ft. RG-58   VT-44 440-450 2.6 16... Read more

VK5SFA Wins the April QST Cover Plaque Award April 09, 2019 No comments

The winning article for the April 2019 QST Cover Plaque award is “A High-Power 160- and 80-Meter Transmitting Loop Antenna” by Steve Adler, VK5SFA. Th... Read more

The post Kenwood booth talking to Don, W6GPS talking about the TS-890S appeared first on QRZ NOW - Amateur Radio News.

Comet CAA-500 MK2 Antenna Analyzer Preview

Sat, 05/18/2019 - 10:51

CAA-500MARKII SWR/Impedance Analyzer Highly accurate analog cross needles display SWR and impedance simultaneously. Full color TFT LCD display screen provides graphic and numerical SWR along with total impedance with R and X values. Features: AUTO SWEEP MODE Automatically graphs the SWR on the LCD display.   Choose any one of the pre-set amateur band frequency ranges and press the sweep button…in about 30 seconds the SWR graph is completed. MANUAL SWEEP MODE Choose the band,  manually set the band-width you desire, then manually sweep the chosen frequency range. MULTIPLE MANUAL SWEEPS Should you want to make an adjustment to the antenna length, the position, height above ground, a gamma match adjustment, etc… you can overlay multiple manual sweep results in 5 different colors!  Instantly graph and see exactly what happened after each adjustment!  Range: 1.8 – 500MHz (including 222MHz band)
  • RF output level:  0dBm 1 mW
  • Measured SWR Range:  Analog meter 1.0 – 6.0:1 , LCD display 1.0 – 9.9:1
  • Impedance measurements: 12.5-300 ohms
  • Reactance range:  0 – 500 Ohms (absolute value) 1.8 -190MHz
  • Battery indicator and selectable Auto-Power-Off timer
  • Operates up to 9 hours continuous using six AA Alkaline or NiMH cells (not included) or use an external 8-16VDC 200ma power source (DC cable included)
  • Internal trickle charger option when using NiMH batteries
  • Size: 3.5 x 7.75 x 2.65 inches (overall)
  • Weight: 2 lbs 2 oz with alkaline batteries installed
  • Available from all major Ham Radio Dealers in the US
(adsbygoogle = window.adsbygoogle || []).push({}); Antenna New Antenna 50 and 70MHz – 4 el Moxon May 16, 2016 No comments

EAntenna 5070MOX Only 86cm (34 inch) boom lenght with 2 elements Moxon in 4m and another 2 in 6m band. The gain is 6,03 dBi in 50 MHz. and 5,95 dBi in... Read more

CrankIR Series Antenna Vertical January 10, 2015 No comments

  Steppir Antenna Verticals are the only true ¼ wave continuous coverage antennas available for the HF bands. The SteppIR technology has had a pr... Read more

A High Efficiency Extended Length Mobile Antenna May 08, 2016 No comments

By W5JGV I originally wanted an antenna that would not hit everything overhead while driving, since it was to be installed on a van. I came up with an... Read more

Isotron ISO-8040 – 2 Band HF 80 & 40 Meter Antenna Combination September 03, 2015 No comments

An Isotron Antenna Solves Virtually Any Restricted Space Problem – For example, a 40 Meter Isotron measures only 22 inches x 16 inches x 15 inch... Read more

VHF Yaesu FT-4XR FM DUAL BAND TRANSCEIVER March 07, 2018 No comments

Yaesu FT-4XR FM DUAL BAND TRANSCEIVER Range: 136-174, 400-480MHz Antenna Connector: SMA Power Source: 12.6 VDC Nominal, Battery Operated Exclusively F... Read more

Alinco DR-B185HT 85 Watt 2 Meter Transceivers September 14, 2015 No comments

Alinco DR-B185HT 85 Watt 2 Meter Transceivers are their highest power 144 MHz VHF mobile. DR-B185HT transceivers deliver high-power and superior perfo... Read more

YAESU FT-60R May 28, 2015 No comments

YAESU FT-60R Yaesu’s newest 144/430 MHz 5-Watt FM Hand-held was introduced at Dayton 2004. The FT-60R includes wide receiver coverage, outstandi... Read more

Toptek Communications PA-85V VHF Power Amplifiers January 30, 2019 No comments

Amplifier, VHF, 85 W, 138-174 MHz, Each Brand:Toptek Communications Manufacturer’s Part Number:PA-85V Part Type:VHF/UHF Amplifiers Product Line:... Read more

Review FlexRadio Announce MultiFlex Software at Dayton Hamvention 2019 May 20, 2019 No comments

Read more

FT-DX101D Dealer Demonstration by Yaesu UK May 20, 2019 No comments

Read more

Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] May 19, 2019 No comments

  Read more

Kenwood booth talking to Don, W6GPS talking about the TS-890S May 18, 2019 No comments

Read more

News Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA May 17, 2019 No comments

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages with... Read more

First Ham Satellite — OSCAR 1 — will Join AMSAT’s 50th Anniversary Celebration at Dayton May 16, 2019 No comments

A working prototype of OSCAR 1, Amateur Radio’s first satellite, will be on display at AMSAT’s Dayton Hamvention® booth. AMSAT’s exhibit will be in Bu... Read more

The FCC is Not Reinstating a Vanity Call Sign Fee May 16, 2019 No comments

An erroneous report this week suggested that the FCC planned to again impose an Amateur Radio vanity call sign application (regulatory) fee of $70 for... Read more

Arizona Homeowners Association and Hams Agree on Outdoor Antenna Guidelines May 15, 2019 No comments

The Board of Directors of an antenna-restricted community in Arizona voted overwhelmingly in April to allow radio amateurs to erect certain outdoor an... Read more

The post Comet CAA-500 MK2 Antenna Analyzer Preview appeared first on QRZ NOW - Amateur Radio News.

Bird Sitehawk , Antenna/Cable Analyzer, Spectrum Analyzer

Sat, 05/18/2019 - 06:59

“This is the Bird43 that everyone knows, ON STEROIDS! LOL… I had no idea Bird came to this, so I wanted to share it with you. Something that would replace an Anritsu Sitemaster.. In the palm of your hand. Dayton Hamvention 2019 has all these neat and amazing toys..”

(adsbygoogle = window.adsbygoogle || []).push({}); News Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA May 17, 2019 No comments

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages with... Read more

First Ham Satellite — OSCAR 1 — will Join AMSAT’s 50th Anniversary Celebration at Dayton May 16, 2019 No comments

A working prototype of OSCAR 1, Amateur Radio’s first satellite, will be on display at AMSAT’s Dayton Hamvention® booth. AMSAT’s exhibit will be in Bu... Read more

The FCC is Not Reinstating a Vanity Call Sign Fee May 16, 2019 No comments

An erroneous report this week suggested that the FCC planned to again impose an Amateur Radio vanity call sign application (regulatory) fee of $70 for... Read more

Review FlexRadio Announce MultiFlex Software at Dayton Hamvention 2019 May 20, 2019 No comments

Read more

FT-DX101D Dealer Demonstration by Yaesu UK May 20, 2019 No comments

Read more

Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] May 19, 2019 No comments

  Read more

Kenwood booth talking to Don, W6GPS talking about the TS-890S May 18, 2019 No comments

Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Antenna Build your own Hexagonal Beam January 03, 2015 No comments

The hexagonal beam (or known by many as the hex beam) has become a wildly popular antenna. It is a directional antenna that provides great performance... Read more

CCW HF Active Loop Antenna April 26, 2016 No comments

HF Active Loop Antenna The Cross Country Wireless HF Active Loop Antenna is a compact receiving loop with a frequency range of 200 kHz to 70 MHz with... Read more

40 METER 1/4 WAVE VERTICAL WIRE-MONOPOLE by W8AMZ March 17, 2015 No comments

  The W8AMZ 40m Vertical Wire Monopole antenna uses just three elements, a vertical driven element and two counterpoise radials, to deliver outst... Read more

40 Meters 4-element Wire Yagi by VE3VN December 29, 2014 No comments

Read great article from VE3VN – 40 Meters 4-element Wire Yagi : Read more

Equipment Ham Radio Go Box Design June 09, 2016 No comments

by Lee Drew “I’ve spent a lot of time over the years looking at the designs of ham radio go boxes amateur radio operators have created.  T... 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

AOR AR8200 -MK3 ( 500KHz to 3GHz ) December 30, 2014 No comments

Prepare to be astounded at the versatility and broad range of features found in the AOR AR8200 Mark III. Unparalleled frequency coverage, superb sensi... Read more

Icom IC-7200 HF/50MHz Transceiver July 31, 2015 No comments

Icom IC-7200 IF DSP The latest IF DSP technology is employed in the IC-7200. While the IC-7200 is an entry-class transceiver, advanced digital feature... Read more

The post Bird Sitehawk , Antenna/Cable Analyzer, Spectrum Analyzer appeared first on QRZ NOW - Amateur Radio News.

DX Engineering RT4500HD Heavy Duty Rotator

Fri, 05/17/2019 - 13:57

SPECIAL ANNOUNCEMENT: We are introducing the DX Engineering RT4500HD Heavy Duty Rotator pic.twitter.com/xxjFk0QW4D

— DX Engineering (@DXEngineering) May 17, 2019

(adsbygoogle = window.adsbygoogle || []).push({}); Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

FT4 Video presentation by K1JT April 24, 2019 No comments

See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more

Review Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] May 19, 2019 No comments

  Read more

Kenwood booth talking to Don, W6GPS talking about the TS-890S May 18, 2019 No comments

Read more

Comet CAA-500 MK2 Antenna Analyzer Preview May 18, 2019 No comments

CAA-500MARKII SWR/Impedance Analyzer Highly accurate analog cross needles display SWR and impedance simultaneously. Full color TFT LCD display screen... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); VHF Baofeng DM-9HX – DMR VHF/UHF Dual Band Two Way September 28, 2018 No comments

Baofeng DM-9HX   Why Choose Baofeng DM-9HX? ***Tier II Dual Time Slot,vhf uhf Dual Band, Built-in 3800 mAh Battery, is trying to come out as the... 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

How Can I Get Radio Coverage in “Dead” Spots? January 14, 2015 No comments

“A two-way radio system using a repeater may have great coverage except in areas, such as parking garages and basements of buildings, whose envi... Read more

Antenna 80M EH Antenna by WB5CXC November 05, 2015 No comments

EH Antenna “This is a picture of my EH ‘STAR’ antenna for 80 meters.   It has two cylinders made from aluminum flashing 30 1/2” long, wrapped ar... Read more

A Poor Man Antenna Analyzer by GM3VLB December 15, 2014 No comments

A Poor Man Antenna Analyzer  by André Saunders, GM3VLB – Read .pdf File in adobe reader Link 1   or Link 2 Also Visit: http://www.gm3vlb.com/... Read more

InnovAntennas XR7 & XR7C February 23, 2019 No comments

InnovAntennas After the success of the XR6, InnovAntennas announce today the release of the new XR7 models. The XR7 is based on the XR6 model which co... Read more

App - Mobile DX Alert App ( Mobile ) October 20, 2015 No comments

DX Alert App Instead of being connected to a DX cluster directly you can use DX Alert to monitor the cluster for you and get notifications on your pho... Read more

Amateur Radio Ringtone from NASA February 25, 2015 No comments

Download NASA Sounds Here’s a collection of NASA sounds from historic spaceflights and current missions. You can hear the roar of a space shuttl... Read more

DroidRTTY – RTTY for Ham Radio App Android January 08, 2015 No comments

  Ham Radio App DroidRTTY is an application to decode and encode Ham Radio RTTY with the build in microphone/speaker or wired to your radio. A wa... Read more

SmartSDR for iOS v2.6.2 Now Available August 12, 2018 No comments

FlexRadio Systems announces the release of SmartSDR for iOS v2.6.2 is now available for download or update from the Apple App Store. This App requires... Read more

FlexRadio Systems Announces Partnership With DL8MRE – APP for Iphone August 05, 2016 No comments

FlexRadio Systems and Marcus Roskosch, DL8MRE announced today a partnership to develop, market and sell a client interface application for both iPad®... Read more

The post DX Engineering RT4500HD Heavy Duty Rotator appeared first on QRZ NOW - Amateur Radio News.

Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA

Fri, 05/17/2019 - 13:42

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages without commercial power, infrastructure, or permanently established stations for officials of the American Red Cross and the Federal Emergency Management Agency (FEMA).

The Thursday, May 23 event will take place in coordination with ARRL, during a joint meeting with Red Cross and FEMA officials in Baltimore. The demonstration will be a mock response to a simulated disaster scenario — a major hurricane with mass casualties striking the east coast. Amateur Radio operators at portable stations from New England to the Carolinas will deliver messages to W1AW, which will then coordinate and deliver the information to officials attending the joint FEMA-Red Cross meeting in Baltimore.

Messaging will be handled using digital modes, which can allow for the transmission of images as well as text, as a showcase for the full range of modern Amateur Radio technology. The American Red Cross will also have a NexGen Emergency Response Vehicle parked at W1AW in Connecticut as part of the training exercise, which will take place from 1330 to 1530 UTC.

ARRL and its members have a long history of working with emergency response agencies, such as the American Red Cross and FEMA, to provide or support communication in times of disaster for served agencies and partners. A principal served agency, the Red Cross shelters, feeds, and provides emotional support to victims of disasters.

Source:ARRL 

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment XR44COPA – Copa América 2015 June 09, 2015 No comments

XR44COPA – Copa América 2015 Special Call celebrationof Copa América Chile 2015 Team Chilean Pacific Dx Group worked : XR44COPA 2015 CE3MMT -CE3... Read more

New SP-38 External Speaker for the IC-7300, Coming Soon! September 28, 2016 No comments

Icom are introducing a new external speaker for its revolutionary IC-7300 Software Designed Radio. The new SP-38 complements the appearance of the IC-... Read more

Ten-Tec PM1 QRP November 05, 2015 No comments

Description The MX1, AA1, VO1, and TX1 modules are wired into a band-switching 80-40 meter CW transceiver. Front panel controls: On-off, Transmit-Rece... Read more

Tecsun S2000 April 02, 2015 No comments

  Product Description Tecsun S2000 Desktop Radio: This is the ultimate desktop listeners radio combining all of the features of the Tecsun radio... Read more

Antenna Indoor Attic Dipole Antenna for Ham Radio & CQ Antennas Center Insulators January 24, 2018 No comments

“Viewer request to try out an antenna for Ham Radio in the attic. Using the CQ Antennas Center Insulators from KE5FEN. Thanks David for the insu... Read more

Portable Antenna Build by K6UDA January 19, 2016 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... Read more

80m or 160m Reduced Half Sloper Antenna by W8AMZ January 28, 2015 No comments

160m Reduced ½ Sloper Do You Have     Limited Space?  Do You Dream Of   Operating 160m?                                           NO PROBLEM!  Do you... Read more

How to install a Horizontal Waller Flag antenna at 150 foot October 01, 2015 No comments

  The Horizontal Waller Flag antenna is a produced and sold by Carlos N4IS http://top-beam.com/ The boom on this one is 44 feet long. Interlaced... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

FT4 Video presentation by K1JT April 24, 2019 No comments

See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more

Faster, More Contest-Friendly FT4 Digital Protocol to Debut in a Week April 23, 2019 No comments

A new, speedier, more contest-friendly digital mode is just days away in beta version. WSJT-X Developers say serious work on the new FT4 protocol bega... Read more

Equipment HF Clock / Satellite Tracker /Solar Index Touchscreen Terminal May 19, 2019 No comments

HFClock Internet Based Clock System – 9″ Tiger Maple Frame The HFClockTM represents the industry’s first highly integrated clock designed... Read more

MB1 SDR HF/6M/VHF Transceiver, Expert Electronics [ Hamvention ] May 18, 2019 No comments

  Read more

Bird Sitehawk , Antenna/Cable Analyzer, Spectrum Analyzer May 18, 2019 No comments

“This is the Bird43 that everyone knows, ON STEROIDS! LOL… I had no idea Bird came to this, so I wanted to share it with you. Something th... Read more

DX Engineering RT4500HD Heavy Duty Rotator May 17, 2019 No comments

SPECIAL ANNOUNCEMENT: We are introducing the DX Engineering RT4500HD Heavy Duty Rotator pic.twitter.com/xxjFk0QW4D — DX Engineering (@DXEngineering) M... Read more

The post Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA appeared first on QRZ NOW - Amateur Radio News.

SDRuno release V1.32 due out in the coming weeks

Fri, 05/17/2019 - 07:56

“This weekend at Hamvention (Dayton, Ohio) Andy, Mike and Steve from SDRplay will be showing an early version of Diversity reception running in SDRuno with an RSPduo.

The RSPduo gives users the ability to implement receiver diversity as it contains two independent tuners that are phase and time synchronous. Depending upon the usage case and reception conditions, diversity can give substantial improvements in reception performance, particularly in a mobile multipath fading environment. There are many different types of diversity, but they all basically rely upon de-correlating the signal between two antennas. This de-correlation can be achieved through different polarisations or spatial separation.

It’s important to be aware, that the key to getting decent gains from diversity lies in having the correct antenna setup and if you get it wrong, you can actually make things worse! That said, in some circumstances,the improvements can also be dramatic.

Here’s a bit more about what’s going on. In a multipath fading environment, signal reflections can combine in anti-phase in a way that results in the signal being cancelled. This is called a deep fade. If we have two antennas that are separated by ¼ wavelength at the frequency of interest, the spatial separation can help ensure that whilst one antenna is in a deep fade, the other may not be. As a consequence, either by simply selecting the antenna with the best signal or by combining the two signals it is possible to make the receiver considerably more resilient to fading.

Similarly if you consider the same antenna setup but this time without multipath effects. You will end up with roughly the same level of signal power on each antenna. By adjusting the phase of one signal before combining the two paths, it is possible to ensure that the signals add in-phase and thus constructively giving a 6 dB increase in the signal power. However, the noise generated by each tuner is uncorrelated and so when the noise power is combined, the increase is only 3 dB. Therefore is it possible to see a net 3 dB improvement in the SNR as a result of combination of the two paths, which is equivalent to reducing the noise figure of a single receiver by 3 dB. If the amplitudes are not exactly equal , then as well as adjusting the phase, you would also adjust the amplitude of one path to ensure that they were equal before combination. This principle of trimming the gain and phase prior to combining the two paths to give the best possible SNR is called Maximum Ratio Combination (MRC) diversity.

It is important to understand that MRC diversity is not guaranteed to give better performance that what may be received from a signal antenna. For example, if one antenna is in a deep fade, combining the two signals will result in a degraded SNR when compared to simply selecting the antenna with the strongest signal. That is simply because, combining will not boost the signal power, but will boost the noise power. However, in a mobile multipath fading environment, MRC diversity will substantially improve receiver resilience to fading.

Under certain circumstances, the same principle can be used to cancel interference without substantially degrading the strength of the signal of interest. In this case the antenna positions are adjusted so that the interfering signal arrives at the two antennas with the same signal strength and in phase. If the signal of interest is arriving from a direction that is orthogonal to the source of interference, then the antennas will see the wanted signal of equal strength, but with a 90 degree phase shift. If the two paths are now subtracted (added with a 180 degree phase shift), then the interfering signal will cancel, but the de-correlated signal of interest will combine, thus resulting in a substantial improvement in the SNR.

One other useful application for such a setup is that given a known separation between two antennas, being able to measure the phase difference between the signal at each antenna, simple trigonometry allows for an estimation of the direction from which the signal has come. This approach is sometimes referred to as ‘time of arrival direction finding’. This technique will only work well with signals that are substantially free from multi-path.

The picture shown here shows the additional diversity controls which will be added to SDRuno.

We hope to release this diversity option for RSPduo owners in SDRuno release V1.32 due out in the coming weeks.”

(adsbygoogle = window.adsbygoogle || []).push({}); Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

FT4 Video presentation by K1JT April 24, 2019 No comments

See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more

Faster, More Contest-Friendly FT4 Digital Protocol to Debut in a Week April 23, 2019 No comments

A new, speedier, more contest-friendly digital mode is just days away in beta version. WSJT-X Developers say serious work on the new FT4 protocol bega... Read more

The FT4 Protocol for Digital Contesting by K1JT April 22, 2019 No comments

Joe Taylor, K1JT, Steve Franke, K9AN, and Bill Somerville, G4WJS April 22, 2019 Introduction: FT4 is an experimental digital mode designed specificall... Read more

Review Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ] May 19, 2019 No comments

  Read more

Kenwood booth talking to Don, W6GPS talking about the TS-890S May 18, 2019 No comments

Read more

Comet CAA-500 MK2 Antenna Analyzer Preview May 18, 2019 No comments

CAA-500MARKII SWR/Impedance Analyzer Highly accurate analog cross needles display SWR and impedance simultaneously. Full color TFT LCD display screen... Read more

RigPi RigPi MFJ-1234 Station Server, Remote Ham Radio @Hamvention May 17, 2019 No comments

RigPi MFJ-1234 “Our first look at the brand new RigPI Remote station server called the MFJ-1234. This little beauty allows you to connect and co... Read more

Palstar AT2KD Review & How to Use a Differential Antenna Tuner May 14, 2019 No comments

“Jarrad VK3BL reviews Palstar’s AT2KD and talks about the advantages of having a large, high powered tuner even if you only run barefoot.... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); App - Mobile New APP for digital QST March 25, 2019 No comments

Apple has released a new app for digital QST (version 5.1) readers that use that platform. A long-standing problem involved the inability of some Appl... Read more

6 Must Have Amateur Radio Apps! December 24, 2018 No comments

Read more

iWSPR TX – WSPR for iOS version 2.8 now available October 16, 2018 No comments

WSPR WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions.  Normal transmissions carry a station’s... Read more

RUMlogNG2Go for iOS version 3.5.2 now available August 19, 2018 No comments

Thomas Lindner, DL2RUM, is happy to announce the availability of version 3.5.2 of his RUMlogNG2Go logger for the iPhone and iPad.  RUMlogNG2Go can be ... Read more

SmartSDR for iOS v2.6.2 Now Available August 12, 2018 No comments

FlexRadio Systems announces the release of SmartSDR for iOS v2.6.2 is now available for download or update from the Apple App Store. This App requires... Read more

Equipment HF Clock / Satellite Tracker /Solar Index Touchscreen Terminal May 19, 2019 No comments

HFClock Internet Based Clock System – 9″ Tiger Maple Frame The HFClockTM represents the industry’s first highly integrated clock designed... Read more

MB1 SDR HF/6M/VHF Transceiver, Expert Electronics [ Hamvention ] May 18, 2019 No comments

  Read more

Bird Sitehawk , Antenna/Cable Analyzer, Spectrum Analyzer May 18, 2019 No comments

“This is the Bird43 that everyone knows, ON STEROIDS! LOL… I had no idea Bird came to this, so I wanted to share it with you. Something th... Read more

DX Engineering RT4500HD Heavy Duty Rotator May 17, 2019 No comments

SPECIAL ANNOUNCEMENT: We are introducing the DX Engineering RT4500HD Heavy Duty Rotator pic.twitter.com/xxjFk0QW4D — DX Engineering (@DXEngineering) M... Read more

Elecraft K4 – Price list! May 17, 2019 No comments

Elecraft K4  STANDARD FEATURES Size:  4.5”H x 13.5”W, 10” D Weight:  Approx. 10 lbs Supply Voltage:  12-15 VDC Current:  ~2 A RX, ~18-23 A TX Frequenc... Read more

The post SDRuno release V1.32 due out in the coming weeks appeared first on QRZ NOW - Amateur Radio News.

Elecraft K4 – Price list!

Fri, 05/17/2019 - 07:33

Elecraft K4 

STANDARD FEATURES

Size:  4.5”H x 13.5”W, 10” D

Weight:  Approx. 10 lbs

Supply Voltage:  12-15 VDC

Current:  ~2 A RX, ~18-23 A TX

Frequency Range:  100 kHz – 54 MHz (VHF/UHF range to be determined*)

Stablility:  +/- 0.25 ppm (TCXO)

Modes: CW, SSB, AM, FM, Data

LCD:  7” color; touch & mouse control

Text modes: CW, PSK31/63, RTTY

KAT4 ATU:  10:1+ range; 3 ant. jacks

RX antenna sources:  Up to 5

A-to-D Converter(s): 16 bits
I/O:  USB-A x3, USB-B (two virtual com ports + audio), RS232 (DE9), Ethernet, HDMI. front/rear mic, front/rear phones, LINE in/out, speakers, PTT in, KEY out, paddle, key,  ACC,12 V out.

CW QSK:  Silent, PIN-diode switched

Other: RX/TX EQ, real-time clock,100% remote control including panadapter data, remote antenna switch control*, custom in-box software apps*

 

(adsbygoogle = window.adsbygoogle || []).push({}); News Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA May 17, 2019 in: News No comments

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages without commercial power, infrastructure, or permanently established stations for officials of... Read more

Antenna KT31WARC, 18.068-18.168 / 24.890-24.990 MHZ November 03, 2015 in: Antenna No comments

The updated KT31WARC offers flexibility in size and frequencies. It is truly unique in many ways. The KT31WARC covers 12,17 and 20 or 30 meters. 20 or 30 meters is user configured during assembly. It spans just 22’ 2” for 20 meters and 35’... Read more

Equipment Bird Sitehawk , Antenna/Cable Analyzer, Spectrum Analyzer May 18, 2019 in: Equipment No comments

“This is the Bird43 that everyone knows, ON STEROIDS! LOL… I had no idea Bird came to this, so I wanted to share it with you. Something that would replace an Anritsu Sitemaster.. In the palm of your hand. Dayton Hamvention 2019... Read more

 

The post Elecraft K4 – Price list! appeared first on QRZ NOW - Amateur Radio News.

Introducing three new Yaesu FT3-DR – Hamvention

Fri, 05/17/2019 - 07:19

(adsbygoogle = window.adsbygoogle || []).push({}); App - Mobile Architecture of Radio APP [ Video´s ] March 09, 2016 No comments

Architecture of Radio Architecture of Radio is a neat app, showing you what the world of radio “would” look like, if you could see in the... 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

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

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

VHF Uniden Announces DMR/MotoTRBO Support Coming Soon May 18, 2016 No comments

Uniden Advances Scanning with Digital Mobile Radio (DMR) Demonstrating our commitment to continually enhance the value and relevance of your investmen... Read more

Building a Complete Ham Radio Repeater April 24, 2017 No comments

Ham Radio Repeater “The complete construction process of a 440MHz UHF Amateur Radio Repeater that was setup on top of our school here at New Mex... Read more

Kenwood TM-V71A Full Dual Bander 144/430MHz February 06, 2015 No comments

The Kenwood TM-V71A is a true dual-band operation radio so VHF+VHF/VHF+UHF/UHF+UHF operation is possible. The detachable control head is easily connec... Read more

MOTOTRBO XPR 7000 Series February 28, 2015 No comments

  The MOTOTRBO XPR 7000 Series is a communications powerhouse for demanding users. Offering a full set of features and rich functionality in one... Read more

(adsbygoogle = window.adsbygoogle || []).push({}); Digital Modes FT4 vs FT8 – A new mode, what’s the difference? May 01, 2019 No comments

The FT4 Protocol for Digital Contesting by K1JT   Read more

New FT4 Mode with more 20K spots in few your hours realese April 29, 2019 No comments

    Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting  The FT4 Protocol for Digital Contesting by K1J... Read more

FT4 Video presentation by K1JT April 24, 2019 No comments

See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more

Faster, More Contest-Friendly FT4 Digital Protocol to Debut in a Week April 23, 2019 No comments

A new, speedier, more contest-friendly digital mode is just days away in beta version. WSJT-X Developers say serious work on the new FT4 protocol bega... Read more

VHF Introducing three new Yaesu FT3-DR – Hamvention May 17, 2019 No comments

Read more

Yaesu FT-3DR C4FM/FM Dual Band Transceiver May 15, 2019 No comments

Yaesu FT-3DR Yaesu FT-3DR 5W C4FM/FM 144/430MHz Dual Band Digital Transceiver Reservation The new FT3DR provides reliable 5W RF power output in compac... Read more

Amateur Radio Roundtable to Livestream 50 Hours of Dayton Hamvention® May 15, 2019 No comments

Amateur Radio Roundtable and host Tom Medlin, W5KUB, will be back at Dayton Hamvention to livestream the activity and action before, during, and after... Read more

GMRS-50X1 – 50 Watt GMRS Mobile Radio from BTECH is Released May 11, 2019 No comments

“A High Power 50 Watt GMRS Mobile Radio from BTECH is Released BTECH announced today the North American release of the BTECH GMRS-50X1. The GMRS... Read more

The post Introducing three new Yaesu FT3-DR – Hamvention appeared first on QRZ NOW - Amateur Radio News.

RigPi RigPi MFJ-1234 Station Server, Remote Ham Radio @Hamvention

Fri, 05/17/2019 - 06:34
RigPi MFJ-1234

“Our first look at the brand new RigPI Remote station server called the MFJ-1234. This little beauty allows you to connect and control almost any radio remotely with your iPhone, Android, iPad and PC/Laptop/Desktop. We go to talk with Howard the creator on Thursday before the start of HamVention 2019. GigaParts has an order now, ready to ship MFJ has units exclusively at Dayton Hamvention for this weekend.”

 

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

Antenna Ensure Better UHF Coaxial Feed Lines June 09, 2016 No comments

By DX Engineering’s Blog HF users really don’t have many coax issues. As long as power levels aren’t breached, just about any feed line will work with... Read more

Squalo antenna for 6m by PA3HCM March 03, 2015 No comments

    Introduction – Squalo antenna Adri PA0RDA, a friend of me, is trying to do some DX on 6m for a while now. His antenna position is... Read more

Multiband Delta Antenna – M0PLK May 04, 2015 No comments

  Multiband Delta Antenna Closed loop antennas are always less sensitive to noise than open driven element antennas (e.g. vertical or dipole).  T... Read more

OB9-2WARC 9 Element Duoband Yagi December 16, 2014 No comments

  OB9-2WARC (new optimized version)   9 Element Duoband Yagi 17-12m       Bands   17 / 12 Gain (dbd)*   7,6 / 8,4 Gain (dbi)**   15,1 / 16,1 F/B... Read more

Equipment New Dual Inline Module – GAP Antenna December 17, 2014 No comments

The new GAP Dual In-Line DSP noise eliminating module provides two channel/stereo noise cancellation, and is suitable for use on all radios and receiv... Read more

Omnia SDR Basic October 07, 2015 No comments

The Omnia SDR Basic is a reintroduced Peaberry V2 by permission from David Turnbull (AE9RB). The Peaberry SDR V2 is a Software Defined Radio transceiv... Read more

QRPver-1-v-2-JT65-PSK-BPSK-QRP-Transceiver May 09, 2016 No comments

This is the SINGLE BAND , ONE frequency JT65 / PSK / BPSK QRP Transceiver. This small size QRP transceiver has about 1 Watts output power built on the... Read more

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

(adsbygoogle = window.adsbygoogle || []).push({}); VHF KYD IP-VU1A – VHF and UHF September 11, 2015 No comments

IP-VU1A(waterproof two way radio) Waterproof IP65 Dual band FM radio Frequency Range: 144-146 MHz and 430-440 MHz (expandable to 136-174MHz,  420-520M... Read more

Zastone ZT-2R BC/SW/VHF/UHF February 17, 2015 No comments

    Zastone Newest Mini Multi-Band Two Way Radio ZT-2R+ BC/SW/VHF/UHF band and Air Band All Included ZT-2R plus Zastone ZT-2R is a Yaesu VX-... Read more

VHF /UHF / SHF Distance Records March 14, 2015 No comments

  DX Records VHF /UHF / SHF Distance Records Claimed North American Distance Records as of June 4, 2014. List maintained by Al Ward, W5LUA. Send... Read more

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

ID-4100 Source: Read more

News Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA May 17, 2019 No comments

Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages with... Read more

First Ham Satellite — OSCAR 1 — will Join AMSAT’s 50th Anniversary Celebration at Dayton May 16, 2019 No comments

A working prototype of OSCAR 1, Amateur Radio’s first satellite, will be on display at AMSAT’s Dayton Hamvention® booth. AMSAT’s exhibit will be in Bu... Read more

The FCC is Not Reinstating a Vanity Call Sign Fee May 16, 2019 No comments

An erroneous report this week suggested that the FCC planned to again impose an Amateur Radio vanity call sign application (regulatory) fee of $70 for... Read more

Arizona Homeowners Association and Hams Agree on Outdoor Antenna Guidelines May 15, 2019 No comments

The Board of Directors of an antenna-restricted community in Arizona voted overwhelmingly in April to allow radio amateurs to erect certain outdoor an... Read more

The post RigPi RigPi MFJ-1234 Station Server, Remote Ham Radio @Hamvention appeared first on QRZ NOW - Amateur Radio News.