![K3LR Loop Flyby [ HD Video ] – Contest Station](https://qrznow.com/wp-content/uploads/2016/08/k3lr.jpg)
Video from August 5, 2016
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Steppir Antenna Verticals are the only true ¼ wave continuous coverage antennas available for the HF bands. The SteppIR technology has had a profound impact on improving vertical antenna performance over that of traditional designs ... Read more
![4EL 40M @ 190′ [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/10/maxresdefault-1-90x60.jpg)
Thing files are at https://www.thingiverse.com/thing:3849410/apps And the rain cover is at https://www.thingiverse.com/thing:3899156 Read more
” There are a few famous hams in our ranks and this week I had the pleasure of speaking with Dr. Ulrich Rohde, one of the founders of Rohde & Swartz, one of the world’s foremost test and measurement equipment companies. Dr. Rohde was one of the pioneers of SDR and quoted from the DL35SDR page: Prof. […] Read more
Germany’s amateur satellite organization AMSAT-DL has submitted a comprehensive proposal to the European Space Agency (ESA) for its Lunar Amateur Radio Transponder (LunART) lunar lander — a communications platform on the Large European Lander to support communication and payload experiments. AMSAT-DL’s Peter Gülzow, DB2OS, and Matthias Bopp, DD1US, say that a LunART (called “LunaART” in the AMSAT-DL proposal) would support […] Read more
Storm destroys antennas of IS0FWY 😞 pic.twitter.com/lNCtYDdQNH — Ham Radio World (@HamRadioWorld) July 13, 2020 Read more
Carbon Fiber Masts from Gigaparts for your Ham Radio Antenna – these masts come in 3 different sizes, this one being the 50′ version. This is a quick video with an introduction to the mast, and I will be using it to deploy some antennas in upcoming videos. Read more
By Julianne Pepitone Photo: John Anderson John Anderson (AJ7M), from Marysville, Washington on the air from home for the 2020 ARRL Field Day event, held June 27-28. Field Day is ham radio’s largest on-air annual event and demonstration.By Julianne Pepitone Software-defined radio and cheap hardware are shaking up a hobby long associated with engineering Will the […] Read more
The XPA125B amplifier has a gain of 13 dB making it the perfect amplifier for a 5 watt transmitter when 100 watt output is needed. The automatic Antenna Tuner Unit and power amplifier unit of XPA125B can be used independently of each other as either an automatic antenna tuner or a separate power amplifier. The […] Read more
“We are proposing the LunART Communications Platform on the Large European Lander which will support direct communication with earth through amateur radio frequencies in the microwave bands, support University and Student Payloads with direct access to their experiments, allow Radio Science for a huge community of radio amateur operators and scientists worldwide. It would also […] Read more
![Icom IC-705 Hands On Review, HF/VHF/UHF [ English ]](https://qrznow.com/wp-content/uploads/2020/07/icom-ic-705-stand-610x380.jpg)
The latest IARU-R1 Monitoring System newsletter reports on the continuing interference on various frequencies in the 7 MHz band from Russian language propaganda broadcasts Over The Horizon Radar (OTHR) systems in the Russian Federation and China continue to cause interference in the amateur 14 and 21 MHz bands and Iran has been operating a radar in the […] Read more