AN/FRT-501 (TH117) Transmitter


This 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.

Modes: AM/CW
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
 

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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)
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Various views of the transmitter sub-assemblies. (E-bay photo)

 
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AN/FRT-501 Nameplate (E-bay photo)


 
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Feb 26/09