AN/FRT-501 (TH117) TransmitterThis transmitter was made for the RCAF in the early 1950's by Canadian Marconi and deployed mainly to RCAF DEW Line radar sites. The RF output stage uses four 4-125 tubes. One example made it to Alert , NWT.
Power: 500 watts
Frequency Range: 1.5 to 15 MHz
Primary Power: 115VAC, Single Phase, 2.5 KVA
Frequency control: crystal controlled.
Dimensions: 60" H x 22"W x 18" D.
Weight - 650 pounds.
Circa - 1952
Full view of the transmitter. The top portion of the door contains a schematic of the transmitter etched on a metal plate. There is spares storage at the bottom of the door. (E-bay photo)
|Various views of the transmitter sub-assemblies. (E-bay photo)|
|AN/FRT-501 Nameplate (E-bay photo)|
|AN/FRT-501 Service and Maintenance Manual|
|AN/FRT-501 Operator's Manual|
|AN/FRT-501 Antenna Changeover Relay|
|All AN/FRT-501 docs provided by Jason Ingraham VE1PYE|