Reference articles on history, science, culture and more
Encyclopedia

SCR-245

WW2-era US Army radio

Image credit is listed at the end of this article.

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.

01Use

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.

02Components

  • 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.

03General references

Watch videos about SCR-245Explainers and documentaries on YouTube (opens in a new tab)

Sources and credits

This article is adapted from the Wikipedia article SCR-245, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

Images, from Wikimedia Commons:

Fathomly is not affiliated with or endorsed by the Wikimedia Foundation. Spotted a problem? Tell us.