G3YNH.info   Commercial & Vintage Radio Equipment

Modifications, Repairs, Special applications

Kenwood TS430s The Kenwood TS430S HF Transceiver
Repairing the power amplifier. TX general coverage modifications.

SGC230 Using the SGC 230 'Smartuner' in a balanced antenna configuration

MFJ989c Versatuner-V modifications.
Adding shorting switches to permit the use of L-network CsLp and LpCs configurations.

Microwave Modules MML144/100-LS 2m Linear Amp

Frequency display Digital Frequency Readout
For single-conversion superhet radio receivers