“This video is a quick tour, but complete, of the Kenwood TH-D74
VHF
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Kenwood TH-D74 APRS & DSTAR Radio TH-D74 144 / 220 / 430 MHz Tribander APRS : Using packet-transfer communication to exchange real-time GPS positional information and messages for APRS-compliance Digital : Compliant with voice / digita... Read more
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Demonstration of Icom’s RS-MS1A Android app and GPS tracking with maps created offline Read more
Antenna
MFJ VNA Antenna Analyzer covers 1 to 230 MHz, 1Hz resolution.•Frequency sweep plots: SWR, Impedance, Resistance, Reactance,Phase Angle, Complex Return Loss, Smith Chart •Sign of reactance•Amazing accuracy with OSL(Open-Short-Load) calibrati... Read more
Recent Posts
BIRDS CubeSat Constellation to Launch in 2017
AMSAT-UK reports that four CubeSats will comprise the BIRDS (Joint Global Multi-Nation Birds) constellation, which is set to deploy from the Internati... Read more
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Adding an Amplifier to your Station [ PodCast ] – ARRL The Doctor is In
Adding an amp is not as straightforward as it sounds. There is much to consider, including AC power. Read more
Controlling SDR-RADIO.com with an iPad and TouchOSC
One of the big advantages and disadvantages of Software Defined Radio is the ability to control the software with virtual buttons and knobs via... Read more
Ham Radio Operators Respond to the Russia Ukraine Conflict
“How have we, and should we, as Ham Radio Operators respond to the Russia Ukraine Conflict? Here are some of my thoughts and I am interested to... Read more
Quartzfest 2019, Last Days
“Quartzfest special event station and the Icom IC-9700 prize drawing.” Read more
Tragic Drowning Cuts Short DXpedition to Rotuma – 3D2AG
DXer Antoine “Tony” N’Yeurt, 3D2AG, reported over the weekend that his 11-year-old son had died in an accidental drowning in Rotuma. 3D2AG had been ac... Read more
Recent Posts
New Mexico Radio Amateur Marks 80 Years as a Licensee
“Made it! 80 Years a ham.” That’s how ARRL member Paul Elliott, W5DM, of Hobbs, New Mexico, recently posted his milestone on the Top Band reflector. G... Read more
XZ1J DXpedition Video
This is the story of the November, 2013 XZ1J DXpedition to Nay Pyi Taw, Myanmar. Read more
How to be Ready When a Disaster Strikes – Amateur Radio
Disaster preparation can save lives. The Amateur Radio Emergency Services is a group that takes disaster preparedness seriously. Randall Lorenz of Was... 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
Globe Chief 90 CW Ham Radio Tube Transmitter Demo de KC8HVM
“Demo of a real nice Globe Chief 90 by my daughter Denise. I figured you guys were tired of seeing my ugly face, so here’s something new!... Read more
ARRL Field Day 2022: 500,000 Contacts Already Reported
2022 ARRL Field Day wrapped up nearly a week ago, and ARRL Headquarters has already received over 2,400 entries submitted via the online... Read more
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