SCR-245

SCR-245
SCR-245
	SCR-245 mounted in Dodge VC-2 radio command car
Type	Vehicle Radio
Place of origin	United States
Service history
In service	1937
Used by	US Army
Wars	World War II
Production history
Designed	1936
Variants	1
Specifications

The SCR-245 Radio was a mobile MF/HF Signal Corps Radio used by the U.S. Army before and during World War II, for short range ground communications, It was one of the first crystal controlled sets used by the Army.^[1]^[2]^[3]^[4]

Use

The SCR-245 was standardized on 10 June 1937, and used by Armored forces for command and control of tank units. It replaced the earlier SCR-189 and was used primarily in the early M2, M3 light tanks as well as the early M3 medium tanks. Their large size required them to be mounted in the tanks sponsons. It was replaced by the SCR-508 sets.^[1]^[2]^[3]

Components

BC-223 Transmitter
- Modes: AM, CW.
- Frequency range: 4 crystal-controlled channels, 2.0 MHz to 4.5 MHz.
- RF Power output: 10 Watts.
- Range: CW 45 Miles. Voice 20 Miles.
BC-312 Receiver (See BC-342)
PE-55 Dynamotor (12Volt input)
MP14 or MP37 mast base and 15 foot whip antenna.

Variants

SCR-210 Receiver only set

References

1 2 Harry Yeide. Weapons of the Tankers. Zenith Imprint. pp. 54–. ISBN 978-1-61060-778-0.
1 2 Richard J. Thompson Jr. (30 November 2011). Crystal Clear: The Struggle for Reliable Communications Technology in World War II. John Wiley & Sons. pp. 28–. ISBN 978-0-470-05128-3.
1 2 Dulany Terrett. The Signal Corps: the emergency (to December 1941). Government Printing Office. pp. 139–. ISBN 978-0-16-093494-0.
↑ United States. War Department (1945). Technical Manual (TM 11-272 ed.). US Government.

General references

TM 11-487 Electrical Communications Equipment
TM 11-227 APRIL 1944 Radio Communication Equipment (Directory)
TM 11-272
Radio to free Europe

External links

SCR List (archived) — US Army Signal Corps Museum
BC List — US Army Signal Corps Museum

[Yeide-1] 1 2 Harry Yeide. Weapons of the Tankers. Zenith Imprint. pp. 54–. ISBN 978-1-61060-778-0.

[Jr.2011-2] 1 2 Richard J. Thompson Jr. (30 November 2011). Crystal Clear: The Struggle for Reliable Communications Technology in World War II. John Wiley & Sons. pp. 28–. ISBN 978-0-470-05128-3.

[Terrett-3] 1 2 Dulany Terrett. The Signal Corps: the emergency (to December 1941). Government Printing Office. pp. 139–. ISBN 978-0-16-093494-0.

[Department1945-4] United States. War Department (1945). Technical Manual (TM 11-272 ed.). US Government.

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