Ham Radio - DIY test gear, build a simple passive Field Strength Meter.
14:31
Building a Field Strength Meter.
7:38
#161: Circuit Fun: a simple RF detector / demodulator probe for DMM or scope
9:59
Electromagnetic Field Strength Meters Don't Agree (#1049)
6:05
Relative RF Field Strength Meter
22:06
Ham Radio - Building a spiral loop antenna for 20 meters
12:08
Let's Build A Field Strength Meter
7:08
Sleuth RF with the Squeakie (audible RF field strength meter)
17:20