The winning article for the February 2018 QST Cover Plaque award is “Live Trees Affect Antenna Performance” by Kai Siwiak, KE4PT, and Richard Quick, W4RQ.The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QSTCover Plaque Poll web page. Cast a ballot for your favorite article in the March issue today!
VHF
AnyTone AT-D878UVII Plus Unboxing and Demo
In today’s video, we’ll be sharing a live unboxing of the AnyTone AT-D878UVII Plus as well as a product demo. VHF/UHF DUAL BAND: Feat... Read more
Open Source Satellite Work Determined to be Free of ITAR
The United States Department of State has ruled favorably on Open ResearchInstitute’s commodity jurisdiction request, finding that specified?Inf... Read more
CS-750 DMR Radio
CS-750 The case and accessories are the same as the CS-700 The Radio and software are very different Good Audio with adjustment in the software Join t... Read more
ICOM IC-9700 – DEMONSTRATION DURING HAM FAIR 2018
ICOM IC-9700 Some of the features for ICOM‘s very-advanced IC-9700 include: * Direct-Sampling SDR design * High definition Real-Time TFT display... Read more
F-600A Dual mode FDMA DPMR analog digital walkie talkie with GPS in-bulit
F-600A Quick Details Place of Origin: Fujian, China (Mainland) Brand Name: Creation Walkie Talkie Model Number: F-600A Digital Walkie Talkie Type: Han... Read more
Review
Time and the WWV
Albert, N3XEI, lives in North Carolina and he sometimes listens to WWV but he can hear WWVH before he hears WWV. Why is this? Aren’t they suppos... Read more
Antennas for Portable Amateur / Ham Radio Operation – ICQ Podcast Episode 276
“In this episode, Martin M1MRB is joined by Leslie G0CIB, Edmund M0MNG, Matthew M0NJX and Bill N3JIX to discuss the latest Amateur / Ham Radio n... Read more
Field Testing The MFJ Octopus Antenna | Did It survive the wind?
“This time, I’m out in the field (way out in the Arizona desert) Field testing the MFJ Octopus antenna. So how does it hold up in 60 MPH w... Read more
Kenwood THK20A Transceiver – ARRL Video Review
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
How Does An Inexpensive Transceiver Compare to An Expensive Transceiver
Jim W6LG plays recordings of an Elecraft K3s and a Yaesu FT-450. Which sounds best to you? Vote for receiver #1 or receiver #2 and give a very short d... Read more
Equipment
Filtered 2400 MHz Driver Amplifier Kits Now Available
This kit has been designed by David Bowman G0MRF and contains all the parts required to drive a PA on 2.4 GHz for QO-100. The completed board will hav... Read more
PRC 4090 HF Tactical Manpack SDR Transceiver
The Barrett PRC-4090 HF SDR Transceiver is the centerpiece of the Barrett range of tactical HF communications equipment. It combines Software-Defined... Read more
HF/VHF/UHF All-in-One Shack-in-a-Box
“The Shack-in-a-Box HF/VHF/UHF All-in-One Shack-in-a-Box provides coverage from 160 meters through 70 centimeters in an easy-to-carry Gator Pro... Read more
Finger Morse CW Straight Key / Finger mounted PTT switch
The Finger Morse CW Straight Key is a very simple product that allows you to easily continue operating your Morse Code QRP Ham Radio while walking aro... Read more
David Clark DC PRO-X Hybrid Electronic Noise-Cancelling Headset
David Clark DC PRO-X Hybrid ENC Technology in a Supra Aural (Rest-on-Ear) Headset Design Leading edge technology and sleek, supra aural design put t... Read more
Antenna
![Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF Antenna](https://qrznow.com/wp-content/uploads/2016/11/408xmain-190x122.jpg)
Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF Antenna
Type number KA1-211X KA1-408X KA1-411X Gain table / size Frequency (MHz) 14-50 7-50 7-50 The total number of elements 11 Elements 8 Elements 11 Elemen... Read more
Wimo X-Quad Antenna for 144 MHz 18010
The X-Quad antenna is a refinement of the well-known multi-element quads. Its special features, especially developed for amateur radio, are Switchable... Read more
The $4.00 Ham Radio Satellite Antenna
Ham Radio Satellite Antenna Simple, inexpensive and lots of fun! Here is an easy to make home brew antenna that can get you on the air working... Read more
Air ‘Discus’- Low Profile Magnetic VHF 2m Antenna
Air ‘Discus’- Low Profile Magnetic VHF 2m Antenna : 145.500MHz centre, +/-4MHz Power – 100W Omni Imped – 50 ohm VSWR – 1.5:1 Gain -2dB Radiator – Alum... Read more
New ! SteppIR SARK-110 Antenna Analyzer
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
Equipment
DX Engineering Ladder Line Surge Protector DXE-LLSP
Built by popular demand, the DX Engineering Ladder Line Surge Protector is ready to be placed in line with your balanced feedline antenna system! For... Read more
COMTEK ACB-4 Hybrid Four-Square Systems
COMTEK ACB-4 Hybrid Four-Square Systems are phased array Relay Units and Control Consoles that are affordable, simple to install, and easy to use. A p... Read more
![Nice presentation of Power Genius XL by Dan, N7HQ [ VIDEO ]](https://qrznow.com/wp-content/uploads/2021/03/160845523_819231712134810_4516260191051892817_o-190x122.jpg)
Nice presentation of Power Genius XL by Dan, N7HQ [ VIDEO ]
QSO Today Expo March 2021 – Dan N7HQ gives us an overview of the PGXL and its features. Read more
ACOM A2100 HF + 6M Linear Amplifier
ACOM A2100 Easy to operate The TRI is a powerful tuning aid that, together with the automatically controlled input attenuator, helps the operator to... Read more
Preview (tr)uSDX Prototype – testing tiny onboard Speaker
Just to give you some impression of the OnBoard Audio. It will not be HiFi, but do the job, in case you forgot your headphones 😉 Driven only by AtMega... Read more
App - Mobile
Training fast CW on Android (Koch method)
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
RFinder – The World Wide Repeater Directory now supports Twitter!
“RFinder has been the ‘Social Repeater Directory’ for a while now with its support of repeater check-in postings to APRS and... Read more
My LoTW – Free app for iOS and Android
My LoTW is a viewer app for ARRL’s Logbook of the World. With My LoTW, you can: – View all the QSOs you have submitted to LoTW. –... Read more
Pocket Radio Android App ( TX and RX )
This is an Android application used to remotely control several HAM radio – any CAT enabled transceiver over Bluetooth, USB/Serial or with secu... Read more
![Ranger RHF-618 Base Station [ 28 and 24 MHz]](https://qrznow.com/wp-content/uploads/2022/01/s-l1600-90x60.jpg)
![Ranger RHF-618 Base Station [ 28 and 24 MHz]](https://qrznow.com/wp-content/uploads/2022/01/s-l1600-180x120.jpg)
