Here are the latest Amateur Radio news, events, features, and commentary compiled by “Amateur Radio Weekly.”

Views expressed in this Amateur/Ham Radio News update are those of the reporters and correspondents.  Accessed on 08 April 2023, 1418 UTC.

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Issue 280 April 8th, 2023 Top links Ria Jairam steps down from ARRL board, joins ARDC board [PDF] “Ria is a powerful voice in amateur radio…” ARDC HamTestOnline to shut down Owner John, W1AI, will shut down the site on June 30th unless a buyer can be found. W2LJ New digital mode: FreeData A new digital mode that uses the OFDM modem code from FreeDV for having keyboard to keyboard chats. marxy’s musing on technology Code execution exploit via APRS An exploit targeting WinAPRS and WIndows XP allows code execution on remote PC. Coalfire How times have changed for portable ops In the 60s, you wouldn’t operate for long off a battery with the amperage needed to warm all those tubes. QRPer Benefits of the Yaesu XF-130CN 300 Hz Crystal Roofing Filter From the video you can hear that there is a very small demonstrable difference in strong signal rejection. Ham Radio QRP Delta loopy ideas A delta loop has multiple possible feedpoints and the choice has to be made very carefully. Ham Radio Outside the Box World Amateur Radio Day is April 18 The day is being celebrated with a 2-week operating event occurring April 11 – 25. ARRL Military reliance on HF on the rise? HF, unlike landline connections and submarine cables, cannot be blocked. The SWLing Post LIFEPO4 batteries for portable operations For the same capacity they are more than half the weight of SLA batteries. VE3IPS Video 1944 soldering iron training film 1944 US Office of Education black-and-white training film. PeriscopeFilm Homemade spy transmitter Designing a small spy transmitter using two tubes. Helge Fykse PCB Yagi antenna for 2.4GHz WA5VJB PCB based antenna tested. IMSAI Did you receive this email as a forward? Sign-up here Amateur Radio Weekly is curated by K4HCK. Thank you for reading. 73 Friends of the Newsletter | View the archive | Follow on Mastodon

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Reminder:  The next meeting of the Big Island Amateur Radio Club (BIARC) will be held on Sunday, 16 April 2023, at the Kamana Senior Center in Hilo.  Executive Board meeting begins at 1200 HST, followed by the General Membership meeting at 1400 HST.

Aloha es 73 de Russell Roberts (KH6JRM)

Public Information Officer

Hawaii County, ARRL Pacific Section

https://bigislandarrlnews.com

https://www.simplehamradioantennas.com