Ham radio ao51 satellite again

Part 1 - how to program the call sign menus on D-STAR radios.

I use this TBW transmitter on 40 meters for AM (7.290) and have been opperating it for around four or five years now. The power supply is home built and located in both the old center section and under the rack the transmitter lives on. KA3EKH

historische Werbung fuer Telefunken Radioroehren aus den 50er Jahren (Advertising for historic Telefunken Radioroehren from the 50s)

Out Of The Box Closeup Of This Monster

The Russian R161 radio station - Movie by G4PYM - full version