Aursinc hotspot first look!
10:43
Digital Voice without a radio!
12:40
Duplexer or Diplexer? What is the difference? Does it matter??
7:36
Does That Carbon Fiber Mast Ruin My Radio?
16:12
A TNC made in this century! The Nino TNC!
16:20
3D Printing for Ham Radio
17:01
Diplexer (Duplexer) Part 2!
18:32
Step attenuator - ARRL Auction Find!
10:03