Categories Red Summit RF Youtube I was reminded to use caution when probing an electronics circuit. #hamradio #qrp #electronics Post author By admin Post date October 30, 2025 I was reminded to use caution when probing an electronics circuit. #hamradio #qrp #electronics ← Review of the GOOZEEZOO ATU-100 HF Auto Tuner (#1347) → Overview on my Counterpoise system for a portable HamSticks.