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0:48YouTube
Why Your Antenna Tuner Doesn't Actually Tune Anything
@ARRLHQ·Comms·119 views·2 weeks ago
Technical breakdown of how antenna tuners (transmatches) work: impedance matching between radio and feedline, SWR, and why the name is misleading.
antenna-tuningimpedance-matchingham-radioswr
0:42YouTube
What SWR Really Means for Your Antenna
@ARRLHQ·Comms·72 views·3 weeks ago
42-second breakdown of Standing Wave Ratio (SWR) and why a low reading doesn't guarantee antenna efficiency or power transmission.
ham-radioantenna-tuningswrradio-efficiency
18:33YouTube
QST: Ask Dave, September 2026 — SWR vs Reflection Coefficient
@ARRLHQ·Comms·312 views·2 months ago
Eighteen-minute technical explainer on standing-wave ratio and reflection coefficient in amateur radio transmission lines, with worked examples.
amateur-radioantenna-tuningswrtransmission-lines