Sleuth RF with the Squeakie (audible RF field strength meter)
6:07
Tweak your RF power meter: Here's how
17:20
Field Strength Meter - make your own
29:40
Low V Regen Part4
14:31
Building a Field Strength Meter.
9:53
Ham Radio - DIY test gear, build a simple passive Field Strength Meter.
17:52
Not QRP: 20 watts from just 2 transistors
15:34
¡Cómo hacer una máquina de soldar sencilla con bujías en casa! Extremadamente fácil y útil
36:30