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With Varying Frequency – Amateur Radio Ponderings

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Message History

Random SMS text messages fairly early on a weekend morning, from perhaps the real FedEx or perhaps from an imposter.  A text that somebody has decided to ask me for $39.00 for a shipment. No detail, just a sketchy link that if I feel brave I might click on. I have a sandboxed way to […]

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Bruce WA1HGJ QRZ page has a summary of his End-Fed Half-Wave Zeppelin antenna version: https://www.qrz.com/db/WA1HGJ And the recent Electric Radio has a much expanded version that includes dimensions and construction details: ER #412, November/December 2025 From WA1HGJ Bruce Littlefield of Andover, Mass. QRZ.com page: *Modified end-fed Zepp: When I saw an end-fed Zepp in the [&#...

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Back on November 5th I sent in my completed test and information to the ARRL VEC restore my ARRL VE credentials. A couple weeks later I wrote about it: https://k9zw.wordpress.com/2025/11/20/ve-credentials-restoring-my-arrl-vec-listing/ Here on December 2nd, just about a month later, I haven’t heard anything back. Not even an acknowledgment. Resent the original email yesterday on...

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Boat Anchors, aka vintage classic radios, often tube type face a set of issues concerning maintainability that need some planning. We’ve known for a while that some of the components have to be updated. Capacitors and some resistors drift off spec or simply stop working. We’ve know that some of the Tubes are in short […]

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Simon NV0E is making much progress on ProtoSDR, his Linux client to operate FlexRadio’s current radios. https://youtu.be/b9-FS6KQEVY I am quite enthusiastic about ProtoSDR for personal reasons. Having a client that sidesteps Microsoft Windows that isn’t locked into the alternative Apple ecosystem appeals. I’ll be watching ProtoSDR’s development for a usable release version to te...

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