GRC Radio

(Kode: WK 71)

(SUDAH TERJUAL)

This is a GRC-9 radioset. It is based on the BC-1306 radio used by the the US army from about 1944. Mounted on a jeep it became the SCR-694 (TM 11-4009). After the war they were also built under license by TRT Paris for the French and West-German armies as GRC-9. Both US and French built sets appear to have instructions in English on the frontpanel, but the US built sets have smaller dimensions although the external design is very similar. The upper part is the receiver, the lower part is the transmitter. On the right of the pic is the dynamo (DY-88). It can be switched to 6, 12 and 24 volts, according the electrical system of the vehicle that is equipped with it. The SCR694/GRC-9 is also portable and can still be found in good working order relatively easy and cheap. I have my own jeep fitted with one.
This is a BC620 set. The BC620 was the radio receiver/transmitter part of the SCR 509 or 510, with a frequentie range of 20 to 27.8 mHz in the FM band. This is a nice set for a jeep, beeing used troughout the war. It is relatively rare and expensive. For more pics click here. Pics and info courtesy of laurent de Miollis.
Again the BC620 set. Note that it is fitted on the driversside, while in the previous pic it is fitted on the other side. Also note the MP50 mastbase with the MP48 mast (with heavy spring) fitted on top. This is the correct place for the mastbase, unlike the Hotchkiss M201 style that had it fitted at the rear.
In order to have a properly working radio mounted on a jeep some modifications had to be made. First of all: the vehicle should be grounded. This means that al major components (engine, chassis, body etc.) should be connected with each other through special strips. These flexible strips were made of woven iron wire, about 1/2" wide and had various lenghts. They were fitted randomly through out the war on vehicles, and for jeeps it could be done 2 ways: the old-fashioned way, connecting almost every single part with each other, or as prescribed in fieldmanuals from about 1943, in which the number of straps used was greatly reduced. These things won't give you any clue about the age of a jeep: these were fieldmodifications and VEP jeeps for example could have been equipped with a radio in 1944. These "suppressed" jeeps had an "S" painted behind their registration numbers (see markings) and most were fitted with special filterettes, of which several models excisted.

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