Radio Set SCR-508-(*)

The U.S. Army Radio Set SCR-508 was used as standard VHF comunications set in armoured vehicles of the U.S. Army during World War II.

The SCR-508 system consists basically of

• one Radio Transmitter BC-604
• two Radio Receivers BC-603
• mounting FT-237-(*)
• 10 foot mast antenna consisting of MS-116, MS-117 and MS-118 and mast base AB-15/GR
• accessories like Frequency Meter Set I-129-B and FM Signal Generator I-208.

Transmitter BC-604: VHF - FM transmitter with crystal controlled 10 preset channels, output power of 30 watts, frequency 20 - 27.9 MHz. Power supply: 12V  DC with dynamotor DM-35-A or 24V DC with dynamotor DM-37-A.

Receiver BC-603: Superhet with IF 2.65 Mc, frequency 20 to 27.9 MHz, 10 programmable frequency presets. Power supply: 12V DC with dynamotor DM-34 or 24V DC with dynamotor DM-36.

The FM radio set SCR-508 was used in tanks like M5 Stuart, M7 Priest, M10 Wolverine, M24 Chaffee, M4 Sherman, M7 MT, T1 heavy, M36 Slugger, M4A3E2, M4A3E8 Sherman, M6, T20, T25 AT, T29, M26 Pershing, T23, T28, T32, M46 Patton, T34, T95.
 

A very similar configuration with same components but ony one receiver was SCR-528; a similar configuration with only one receiver was AN/VRC-5.

A similar set with different frequency coverage of 27 - 38,9 MHz is radio set SCR-608.

In questo link sono elencati 398 modelli, di cui 350 con immagini e 210 con schemi.
Elenco delle radio e altri apparecchi della MILITARY U.S. (different makers for same model)