VHF
Yaesu FTM-7250DR – Overview – Features – Specification
Yaesu FTM-7250DR C4FM/FM 50W 144/ 430MHz Digital AMS The new Yaesu FTM-7250DR is a compact and ruggedly built C4FM/FM 144/430MHz Dual Band 50W Transc... Read more
Retevis RT83(GPS) 10W IP67 DMR Digital UHF Radio
Retevis RT83 with digital and analogue mode two way radio. Using TDMA technology, designed with Tier II,AMBE++ vocoder, compatible with mototrb... Read more
Wouxun KG-D901 DMR Digital Radio Preview
Key Features Unlike the 8D and 9D, the D901 is a single band transceiver, in your choice of either a UHF or VHF version. Most of the primary features... Read more
2017 BaoFeng DMR Upgraded Version! BaoFeng DM-5R PLUS Dual Band DMR Digital Radio 2000mAH
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
VHF /UHF / SHF Distance Records
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
Digital Modes
Video Demonstrates Digital Voice Plus Video “Teleconferencing” Scheme for HF
Rick Peterson, WA6NUT, in Colorado, is promoting FreeDV plus Video, a digital voice-plus-video application for HF. According to Peterson’s QRZ.com pro... Read more
The FT4 Protocol for Digital Contesting by K1JT
Joe Taylor, K1JT, Steve Franke, K9AN, and Bill Somerville, G4WJS April 22, 2019 Introduction: FT4 is an experimental digital mode designed specificall... Read more
Caution Urged in Using High Duty Cycle Digital Modes via Satellite
A report in ANS-288 discussed an experiment operating with the WSJT-X FT8 digital mode via satellite. Satellite operators have gained more experience... Read more
Digital Mode Operators Invited to Take Part in 2016 Most Wanted DXCC Entities Survey
Digital mode operators are invited to participate in the 2016 Digital Mode Most Wanted Survey. Previously known as the “RTTY Most Needed DXCC Entities... Read more
ZL1BPU Wins June QST Cover Plaque Award
The winner of the September 2015 QST Cover Plaque award is Murray Greenman, ZL1BPU, for his article “FSQ: Fast, Simple QSO.” The QST Cover Plaque Awar... Read more
Review
Jim, W6LG, Shows an Electrical Plug After It Failed
Jim shows what happened to an electrical plug after it developed a loose screw. Read more
All WX Solar Powered Amateur Radio Field Station
“In today’s video I’d like to discuss the concept of a solar-powered field station for amateur radio emergency communications... Read more
Heil Pro 7 – VS – Sennheiser HMD 300 Pro – Full Review with Transmit Audio
“Heil Pro 7 vs Sennheiser HMD 300 Pro. This is pretty in-depth – you may need a coffee and a sit down to watch! This was heavier than I ex... Read more
From the Array Solutions Lab: OM Power 2500A amplifier Selecting Antennas and Filters
Showing how the OM-Power Automatic amplifiers like the OM-2500A, OM-4000A, can control the selection of up to ten antennas driving an antenna switch a... Read more
Jim Heath W6LG Discusses Antenna Gain, Yagis and Rotators
Jim Heath W6LG talks about antenna gain using a light bulb. He shows a simple yagi and 2 brands of antenna rotator Read more
