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
“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
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
Sasha M6IOR and Sophie M6NYX have made available a Guide for the reception of NOAA satellite images using software defined radio on Windows or MacOS. The guide suggests a few ways to receive an Automatic Picture Transmission (APT) from active National Oceanic and Atmospheric Administration (NOAA) satellites in the 137 MHz band. Read the guide at https://publiclab.org/notes/sashae/06-26-2020/diy-satellite-ground-station Read more
The new newsletter of the IARU Monitoring System (aka ‘Intruder Watch’) has just been published. The most frequently reported intruders on the exclusive amateur radio service bands were in conjunction with the “Russian-Ukrainian radio war” (see below) as well as the daily emissions from the Russian OTHR (Over the Horizon Radar) “Contayner”. “The Russian-Ukrainian radio war remained […] Read more
The winning article for the July 2020 QST Cover Plaque award is “A Vertical End-Fed Dipole with a Folded Stub” by Jacek Pawlowski, SP3L. 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
The Maritime Mobile Service Net (MMSN) on 14.300 MHz came to the assistance of a sailing vessel on June 25. MMSN control operator Steven Carpenter, K9UA, took a call on 20 meters from Ian Cummings, KB4SG, the skipper of the Mystic Lady, then some 40 miles east of Florida. Cummings reported that his engine had failed […] Read more
The Radio Amateur Satellite Corporation (AMSAT) has been made aware of public comments alleging financial mismanagement in the form of “unauthorized” legal expenditures. AMSAT takes these allegations very seriously and in full disclosure, has investigated these claims for many months. AMSAT’s corporate records give a full accounting of all expenditures and are provided to its […] Read more
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