#407: Installation of Yaesu optional 500Hz Collins Mechanical Filter in the FT-857D

#406: Current Regulator/Limiting Diodes (JFET) and their applications

Dec 29, 2025

#405: Using TinySA Ultra to measure keyer speed of a Kenwood TS-890S transceiver

Dec 13, 2025

#405: The CurveBug - a dual octopus style debugging tool from VintageTEK

Nov 10, 2025

#404: The VFET is a JFET that thinks it is a Triode vacuum tube - aka Static Induction Transistor

Oct 24, 2025

#403: Measuring a Directional Coupler with a SV4401A VNA

Sep 10, 2025

#402: Overview of the Sysjoint SV4401A Vector Network Analyzer from Chelegance

Aug 23, 2025

Test Results on our ZS6BKW (#1353)

David Casler

QRP desde Iguazú, Misiones.

CW Trek

Live Stream

Ham Radio Live

Chameleon FSR Storage Hack Every Ham Needs #shorts #antenna

KB9VBR Antennas

Kenwood TS-890S: IF FIL Explained (video #13) #hamradio #kenwood #ts890 #iffil #filter

Doug McAlexander N4HNH

"This has me excited to learn" #hamradio #dmr #bridgecom #dmrradio #testimonial

Bridgecomm Systems