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

#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

#401: Tool Time: What is a Wiggy? Ans: A Solenoid-type Voltage Tester

Jul 13, 2025

#400: Measuring the Minimum Discernable Signal and bandwidth of the 40m Direct Conversion receiver.

Jun 28, 2025

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Live Shortwave radio stream Saturday December 13th 2025

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