• Thumbnail for SCR-270
    The SCR-270 was one of the first operational early-warning radars. It was the U.S. Army's primary long-distance radar throughout World War II and was...
    33 KB (4,132 words) - 19:59, 20 October 2024
  • On the morning of 7 December 1941 the SCR-270 radar at the Opana Radar Site on northern Oahu detected a large number of aircraft approaching from the...
    13 KB (1,604 words) - 02:43, 27 September 2024
  • Thumbnail for Early-warning radar
    reaching 1 MW in late-war upgrades. The German Freya and US CXAM (Navy) and SCR-270 (Army) were similar. Post-war models moved to the microwave range in ever-increasingly...
    6 KB (850 words) - 16:44, 9 October 2024
  • Thumbnail for SCR-268 radar
    salvaged for the SCR-270 they were building. Nevertheless, the system entered production at Western Electric about the same time as the -270 in 1939. The...
    10 KB (1,333 words) - 17:27, 4 June 2024
  • Thumbnail for Signal Corps Radio
    SCR-268 searchlight and gun control SCR-270 mobile long range early warning, VHF SCR-271 fixed long range early warning, VHF SCR-277 Radio range SCR-289...
    5 KB (444 words) - 20:03, 20 October 2024
  • to accommodate the production of the then secret SCR-270 aircraft warning radar. In 1941, an SCR-270 radar detected the December 7th attack on Pearl Harbor...
    6 KB (703 words) - 07:11, 26 September 2024
  • Thumbnail for Convair B-36 Peacemaker
    The main Soviet air-defense radar in the 1950s was the American-supplied SCR-270, or locally made copies, which were only effective up to 40,000 ft (12...
    82 KB (10,349 words) - 03:17, 28 October 2024
  • Thumbnail for Battle of Wake Island
    Detachment (the planes were embarked on Saratoga); as well as an SCR-270 air search radar and an SCR-268 fire control radar for the 3-inch guns, and a large amount...
    87 KB (9,969 words) - 12:52, 4 November 2024
  • the SCR-268 went into service, Harold Zahl was working at the SCL in developing a better system. The SCR-270 was the mobile version, and the SCR-271 a...
    141 KB (22,065 words) - 05:22, 26 October 2024
  • Thumbnail for K-30 truck
    Operating Truck for the SCR-270, an early-warning radar of World War II. 2) 3) 4) Similar vehicles were the K-31 power truck for the SCR-270 early warning radar...
    5 KB (399 words) - 00:17, 6 August 2023