Sunday's mix leans hands-on, from POTA plans gone sideways to the quiet science of why antennas fail and how a bandpass filter can save an overloaded front end. We've also got AMSAT election results and a fresh symposium call, plus a reminder from AmateurLogic that emergency prep is only tested when the lights go out.

In today’s roundup

• Four POTA Activations That Didn’t Go According to Plan — QRPer
  K4SWL dispels the myth that a good callsign guarantees easy contacts, sharing four activations that went awry — proof that even seasoned activators fight for their QSOs.
• A Bandpass Filter Pulls In The Signals — Hackaday · Radio
  Living near a big transmitter? [Rfrht]'s homebrew bandpass filter tackles front-end overload, a practical fix for anyone whose receiver gets swamped off-frequency.
• ICQPodcast Episode 493 – What makes an Radio Antenna Fail? — AmateurRadio.com
  The ICQ crew digs into what actually makes antennas fail, a timely listen for anyone who's stared at rising SWR wondering where it all went wrong.
• AmateurLogic 221: The Night The Lights Went Out — AmateurRadio.com
  When a power failure hit mid-production, AmateurLogic's emergency prep kept the show rolling — an unplanned but perfect demonstration of EmComm principles in action.
• ANS-263 AMSAT News Service Weekly Bulletins — AMSAT
  This week's ANS brings AMSAT board election results, the call for 44th Space Symposium presentations, and renewed attention on the venerable AO-7.
• Open NEC2 Viewer for Android — The DXZone
  This open-source Android app lets you visualize NEC antenna models in 3D from your phone, handy for checking a design's characteristics away from the bench.

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HamDaily Digest · Live band conditions · hamdaily.com