Why is Coax 50 Ohms? (#340)
21:32
Why doesn't a 75 Ohm cable measure 75 Ohms?
22:03
Why Do Some Verticals Have Radials and Some Do Not (#377)
17:41
#136: What is a dB, dBm, dBu, dBc, etc. on a Spectrum Analyzer?
31:23
#121 HAM Tip: Coaxial cable; how to check out 50 Ohm impedance and some coax insights
39:20
Learn About Shortwave Listening (SWL) for Beginners (#352)
22:35
Impedance Explained.
24:48
EEVblog #652 - Oscilloscope & Function Generator Termination Demo
12:26