AN/URT-3 Restoration Project - 100w HV supply

Restoration Progress pages

RFA - RF amp

LLRM - 100w Modulator

RFO - Oscillator

            LVPS - Low Voltage power supply

MVPS - 100w HV power supply

Transmitter Cabinet

            HLRM - 500w modulator

HVPS - 500w HV power supply

Booster Cabinet


Acquired 3/19/2008 - a 500 watt, 136 tube, autotune HF AM/CW/FSK transmitter
page 1  initial cleanup

MVPS - Medium voltage power supply - 1300v for 100w operation

mvps-05.jpg (20518 bytes)
MVPS front panel
p1010030.jpg (50809 bytes)
reasonably clean - no mouse nest here
3B28 rectifiers plus 5933 keyed shunt regulators
p1010029.jpg (54823 bytes)  
p5040042.jpg (44046 bytes) p5040047.jpg (36437 bytes)
so that's why it is so heavy!
p5040049.jpg (51327 bytes)
before cleaning
p5040051.jpg (41888 bytes)
after cleaning front end
p5040046.jpg (66322 bytes) p5040045.jpg (62646 bytes) p5040041.jpg (58891 bytes) p5040050.jpg (113752 bytes)