YJ0VK Vanuatu 2024. From DXNews.com
YJ0VK Team will be active from Vanuatu, 29 March – 11 April 2024.
YJ0VK Team will be active from Vanuatu, 29 March – 11 April 2024.
Three simultaneous transmissions from the Russian OTH (Over The Horizon; long range) Contayner radar in the 40 meter ham radio nothing. Required bandwidth = 12 kHz (which, depending on the splatter, can exceed 20 kHz). Rate of sweeps per second (sps, sweeps per second) =... Read more
A study reported in Nature, “Satellite mega-constellations create risks in Low Earth Orbit, the atmosphere and on Earth,” in Scientific Reports (May 2021) by Aaron C. Boley and Michael Byers, says the rapid development of mega-constellations risks multiple tragedies of the commons. That could include... Read more
When you are running a small business, this automatically tends to mean that you do not have a huge amount of capital that you are able to spare. Therefore, it is highly important that you are able to do everything that you can in terms... Read more
The height of a radio antenna or radio aerial can have a significant impact on its performance, especially at VHF and UHF. We often see many forms of radio antenna mounted on tall masts or towers or they may be mounted on the tops of... Read more
In this video I build a 2m cubical quad antenna. I show the parts I designed an 3D printed for the build. Antenna Indoor Antennas That Work! – Ham Nation 460 July 02, 2020 No comments Read more Ham College 24 : Antennas and more... Read more
Bill, AA6BD, wants to attach his antenna in a very common manner of attaching it to the back of a trailer and he wants to incorperate the mast. Watch to learn more. Antenna Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF... Read more
Former ARRL Eastern Pennsylvania Section Manager Joseph A. “Joe” Ames, W3JY, of Paoli, Pennsylvania, died on March 5. An ARRL Life Member, he was 57. Ames served as EPA SM from 2014 until 2016. He was one of the founders of Radio Relay International, an... Read more
Hello friends: Although it is not common for GADX stations to compete in the same category in international contests, in this ARRL DX we had a happy coincidence of having our main operator PP5JR from its station in Serra da Boa Vista committed to operating... Read more
“Dear friends! The war continues in Ukraine. Many of us in the ranks of the Armed Forces of Ukraine are at the front, in the ranks of the Territorial Defense, helping as volunteers. Ten days were very difficult. But we persevered, the enemy did not achieve their... Read more
Here we take a look at, and test, the E-REON Powerblast 30 RF amplifier for 2.4 Ghz. Antenna Antenna Construction and the Optimized Wideband Antenna March 15, 2021 No comments https://youtu.be/U9qJjThjdew Read more Fixing a brand new Cushcraft A3S beam antenna December 15, 2018 No... Read more
Coaxial Dipole Antenna, Cobweb Antenna, The Story of the Broadband Dipole, Zone Check Interactive Map, Decoding hand-sent Morse Code with Arduino, Morse code practice, HAMRS Read more
Peter, F4GPK will be active as FY/F4GPK from Kourou, French Guiana, 7 – 17 March 2022. Read more
“The normal stance of amateur radio is that it is apolitical. However, it is clear that recent actions by the Russian Federation and their military have crossed a line and the RSGB cannot in this instance remain neutral. The policy of the RSGB is that... Read more