The winning article for the October 2019 QST Cover Plaque award is “About Impedance Matching Circuits” by Ward Silver, NØAX.
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 a ballot for your favorite article in the November issue today.
Steve Andrew has just added a couple of cool new features to his popular Spectrum Analyser software which works with all the SDRplay RSPs. is latest r... Read more
Bidding gets under way today, October 17, on more than 230 items on the block in the 14th annual ARRL Online Auction. Bidding begins at 10 AM EST (140... Read more
Writing in a special World Radiocommunication Conference 2019 (WRC-19) edition of ITU News Magazine, International Amateur Radio Union (IARU) Secretar... Read more
The American Red Cross Puerto Rico Chapter renewed its Memorandum of Understanding with the ARRL Puerto Rico Section on October 10, citing mutually be... Read more
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SCS, the company that created PACTOR, has unveiled software that offers the ability to monitor the content of PACTOR 1, 2, and 3 transmissions over th... Read more
Two separate groups took advantage of the Amateur Radio Emergency Data Network (AREDN) to monitor wildfires in California. The Mariposa Area Amateur R... Read more
his a ready power amplifier. You will need a power supply only! Water-cooled hermetically. You can turn the power amplifier. The water will not flow.... Read more