SCR-189
The SCR-189 was a mobile Signal Corps Radio tested by the United States Army before World War II. It was designed for armored forces, and mounted in the Six Ton Tank M1917. The original production run of these tanks included 50 "radio tanks" but the original radio components are unknown, so what or how many tanks were fitted with the SCR-189 also appears to be unknown.[1][2]
| SCR-189 | |
|---|---|
 SCR-189 in T1 Scout Car | |
| Type | Vehicle radio |
| Place of origin | United States |
| Service history | |
| In service | standardized 1933 |
| Used by | US Army |
| Production history | |
| Designed | 1932 |
| Variants | 1 |
| Specifications | |
| Armor | none |
Main armament | none |
Use
Scr-189 in T1 Pontiac Scout Car
An early tactical vehicle radio, it was the first Army set to utilize the Superheterodyne receiver. As the M1917 tank was phased out, the new M1 Combat Car and M2 Light Tank were equipped with SCR-189's. The SCR-189 was replaced by the SCR-245 in 1937.[3][4]
Components
- BC-175 Receiver
- BC-176 Transmitter CW/voice, 2.200 kHz, to 2.600 kHz at 7.5 Watt, range 8 Miles
- BC-177 Control box
- BC-206 Control box
- PE-48 Power supply
- Battery box BX-3 (Battery BA-27)
Variants
- SCR-190 Receiver only set
References
- United States. National Bureau of Standards (1927). Standards yearbook. U.S. Govt. Print. Off. pp. 87–.
- United States. War Dept. Technical Regulations: TR.
- R. P. Hunnicutt (1 June 1992). A History of the American Light Tank: Stuart. Presidio. ISBN 978-0-89141-462-9.
- Clark, Chad G. (1998). "RADIO TO FREE EUROPE: ARMORED FORCE RADIO DEVELOPMENT, GREAT BRITAIN AND THE UNITED STATES 1919-1941". Defense Technical Information Center (DTIC). US Government/University of Nebraska. Archived from the original on March 3, 2016. Retrieved 27 December 2018.
The SCR-189 and Mechanized Cavalry, 1935-1938
External links
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