WELCOME TO STATION QRP

8W AM TRANSMITTER

1000 MILES PER WATT USING TUBES

Transistors? Fuhgeddaboudit! From as far as the Sierra Nevada desert to the Arctic Circle, from the Blue Ridge Mountains to the Baltic Sea... QRP tube shortwave transmitter with 6BX6 oscillator and 6CJ6 amplifier.
25W AM TRANSMITTER

GU-50 SHORTWAVE TUBE TRANSMITTER

Extraordinary solid design and build of AM tube shortwave transmitter with 12BY7A crystal oscillator, QQV03-10 clamp and single GU-50 amplifier. This superb and final design is described in detail.
75W AM TRANSMITTER

GU-50 SHORTWAVE TUBE TRANSMITTER

Bang for the buck with two Russian GU-50 tubes; back in the USSR courtesy of the Wehrmacht! Powerful top-notch AM tube shortwave transmitter. All parts will be available for years to come.

PREVIOUS PROJECTS

50W AM Transmitter

Multiband 9.2x and 15.0x kHz AM tube shortwave transmitter with EL86, CV5121 and 2 x 807 power amplifier.
70W AM Transmitter

TIP! Tested to comply with Ofcom standards. AM tube shortwave transmitter with CV5152, PL84 and 2 x 807. Internal modulator and filtering.
35W AM Transmitter

Multiband 3.9x and 6.2x kHz AM tube shortwave transmitter with CV4055 and 6146W. Nominal output power a perky 35 watts.
200W AM Transmitter

AM tube shortwave transmitter with 6BH6 (oscilator), EL84 (buffer), 6L6GT (clamp) and 4 x 807 power amplifier. Nominal output power 200 Watts.