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The SCR-197 mobile station consisted of the BC-325 radio transmitter with a frequency coverage of 1.5 to 18 Mhz and an RF power output of 400 watts. Radio receivers consisted of three BC-342 and one Hallicrafters S-20R "Sky Champion". Also provisioned was a BC-119 control box. The complete set was housed in a K-18 truck and K-19 trailer combination. A 45 foot vertical antenna was used for sending and a 15 foot whip used for receiving. Power could be optionally supplied by power mains or portable generator units: one PTO driven GN-42-A generator for the transmitter and two small PE-75 skid mounted units for the receivers. The SCR-197 set was later replaced by the SCR-299.[2]

RADIO SET SCR-197 From TM 11-487 oct. 1944.jpg



(NOTE- the pictures from TM 10-560 arent quite right but might be helpful to someone.)

House trailer.jpg
Hitch detail.jpg

SCR-197 Data.png

Reference Files

Adobe PDF icon.png TM 11-241 Radio Sets SCR-197-B, SCR-197-C, SCR-197-D, SCR-197-E, and SCR-197-F May 1942

Adobe PDF icon.png TM 11-805 1942 transmitting components of SCR-197-B, SCR-197-C, SCR-197-D, SCR-197-E, and SCR-197-F.

Adobe PDF icon.png TM 11-310

Schematic Diagrams for Maintenance of Ground Radio Communication Set
October 1942