Zografos showing his older 800 Watts Generator

Zografos showing his older 800 Watts Generator
Report from PBS with the German Georg Schoell having visited Petros Zografos and told us, that the main Secrets are the Gunn diodes in his rectifier bridge where the RF AC currents are converted to DC power and then fed to an inverter to produce the 230 Volts 50Hz AC household current...