Due to the recent failure of the Ericsson VHF radio
The packet system uses the same protocol as the VHF system. Operators using the system should adjust for increased Doppler shift at UHF.
The ARISS team is currently working on Kenwood TM-D710GA 
Source:ARRL
Review
Langstone Project – SDR Transceiver using an Adalm PlutoSDR
https://www.youtube.com/watch?v=TgAkcmd7ixA Read more
“This week I’m reviewing the Openspot by Shark RF. No images to hunt down, It runs D-Star, DMR & Fusion all in one box. Don’t fo... Read more
Meet the Raspberry Pi – “ARRL The Doctor is In” podcast. Listen…and learn!
Meet the Raspberry Pi” is the topic of the new (February 28) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX... Read more
Antenna
Cubical Quad Antenna JavaScript Calculator
JavaScript PROGRAM by N6ACH Ron vanVarden Sample: See More on Calculator Web Site: Link Photos – Click to enlarge ... Read more
Diamond V2000A Antenna for 6m-2m-70cm
The V2000A is the U.S. version of the V2000 Tri-Band Antenna. This antenna has been optimized for the U.S. FM Bands. The V2000A utilizes a linear phas... Read more
Elecraft XG3 RF Signal Source
Photo Credit: Bill Hammond, AK5X The XG3 RF Signal Source is a powerful programmable signal source that fits in the palm of your hand. Miniature RF s... Read more
Wideband Desktop Discone Antenna – 25 MHZ – 2000 MHz Coverage
“Here we take a look at the Skyscan Desktop antenna with a rated frequency range of between 25 Mhz up to 2 Ghz. We test the antenna indoor and o... Read more
Equipment
A compact 5 band QRP SSB transceiver in SMD technology
A compact SSB transmitter/receiver will be presented. This unit covers 5 bands within the amateur radio spectrum (3.5, 7, 14, 21 and 28 MHz). Receiver... Read more
Small QRP-GO-BOX powered by Raspberry Pi4, KX2 and TH-D74
Small multifunctional, digital, very compact amateur radio station for the radio operation at home, on the way or in the emergency radio. For the digi... Read more
![CS108G+ HF Radio [ Pre-Order ]](https://qrznow.com/wp-content/uploads/2016/11/CS108G_Front__73855.1479246571.1000.1200-190x122.jpg)
CS108G+ HF Radio [ Pre-Order ]
CS108G+ is an upgraded version of the X108G from Xiegu. Besides the standard features as will be described below, this version has a built in Spectrum... Read more
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The history of communicating with submarines underwater
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Inflatable Satellite Antenna
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Stay away from cheap coax
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XIEGU G106 – First Look at this New HF Transceiver
XIEGU G106 Xiegu keep themselves pretty busy developing cost effective QRP transceivers. This new model is a replacement for the G1M. Peter G3OJV gets... Read more
Battery Powered Automatic Antenna Tuner, 100 Watt Max, Portable Ham Radio Tuner Review/Demo
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