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The M2 KT36XA is the result of many hours spent on perfecting the original KLM KT-34XA through computer optimization confirmed by range and actual on-air tests. Five elements are active on 20 and 15 meters and all six are working on 10 mete... Read more
In 2020, a project between AMSAT-UK, AMSAT-NL, and Swiss universities got under way with the aim of equipping two Swiss satellites — for now under the CHESS name — with linear amateur radio transponders. Linear transponders permit several CW or SSB contacts to take place simultaneously within a prescribed passband. The satellites also include features for classroom […] Read more
YouTube recordings and PDF files from the 2021 Propagation Summit hosted on January 23 by Contest University are available. More than 1,000 logged in for the sessions. Each presentation begins approximately on the hour. You can advance the video to the presentation you wish to view. 11 AM – “Update on the Personal Space Weather Station Project and […] Read more
This video shows how I have made a mains filter that is extremely effective in reducing and in some cases eliminating completely EMC from the electricity supplying my shack. The filter consists of three turns of earth, neutral and live wires wound round a type 31 Fair-Rite ferrite core, part number 0431177081. I found details […] Read more
The QSO Today Virtual Ham Expo on March 13 – 14 will devote a speaker track to AMSAT and the world of amateur radio satellites. The Expo is in “full planning mode” and promises “many exciting new things” for the upcoming event, which will include a world-class lineup of more than 60 speakers and workshops for beginners […] Read more
SuitSat loses its innocence in a new video short sci-fi thriller Decommissioned. “Inspired by true events,” the video short resurrects the 2006 spacesuit/satellite that transmitted messages on 2 meters as it circled Earth. The original SuitSat-1 project, conceived by an Amateur Radio on the International Space Station (ARISS) team, repurposed a decommissioned Russian Orlan spacesuit to function as […] Read more
It’s true that the best thing to upgrade on your ham radio handheld is its antenna. However, there is something you should do before making that antennas purchase. Read more
Oggie Mike, KB7HFS, asks for a recommendation for a new vertical antenna. He already has a radial field and a mount; his prior antenna was destroyed in a windstorm. He considers the Butternut HF-9V too expensive. We look on DXEngineering.com for less expensive antennas and also at the DX Commander. Read more
“The eternal question and a sure way to start trouble at your next Ham radio club! Is the straight key a better learning tool or will the modern paddles and keyer get you there faster? Which is better for a beginner? This is not about what you prefer. It is fine to like one better. […] Read more
“Today I operate the Icom IC-705 at my hunting lease as a portable radio with an End Fed Random Wire antenna from Nelson Antennas, and the mAT-705 portable tuner.” Read more
Have you ever wondered about the “Magic” of Six Meters? After all, you’ve probably pressed the six meter button on your rig and failed to find any magic or even any other stations. If that’s the case, you’ve identified the “tragic” of the band. But without tragic there would be no magic. DOWNLOAD HERE Read more
A derecho with winds of 80 to 100 MPH struck eastern Iowa last August, disrupting power and telecommunications for some 400,000 residents. But, as ARRL member and Amateur Radio Emergency Service (ARES®) volunteer Scott Haney, N0GUD, recently explained to The Gazette in Cedar Rapids, that’s when amateur radio shines. Haney, the president of the Cedar Valley Amateur Radio […] Read more
The winning article for the January 2021 QST Cover Plaque award is “CW-ELMER – An Advanced Morse Code Learning System,” by David A. Duncan, K7DUN. The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. Cast […] Read more
We just witnessed 12 consecutive days with no sunspots, which many of us found a bit unsettling. But fortunately Solar Cycle 25 activity returned with a new sunspot on January 15. Average daily sunspot number increased from zero last week, to 14.7 in the January 14-20 reporting period. Average daily solar flux rose from 73.8 […] Read more
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120. The transmissions are part of the Moscow Aviation Institute SSTV experiment (MAI-75) and will be made from the amateur radio station RS0ISS in the Russian Service module of the ISS. […] Read more
Contest University (CTU) is holding a Virtual Propagation Summit on Saturday, January 23. The Zoom-platform event will get under way with introductory remarks from Tim Duffy, K3LR, and Ray Novak, N9JA, at 1600 UTC. At 1605 UTC, Scott Jones, N3RA, and George Fremin, K5TR, will moderate a session “Update on the Personal Space Weather Station […] Read more