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2. AN/FPS-117 - Wikipedia

   en.wikipedia.org/wiki/AN/FPS-117

   The AN/FPS-117 is an L-band active electronically scanned array (AESA) 3-dimensional air search radar first produced by GE Aerospace in 1980 and now part of Lockheed Martin. [1] [2] The system offers instrumented detection at ranges on the order of 200 to 250 nautical miles (370 to 460 km; 230 to 290 mi) and has a wide variety of interference and clutter rejection systems.

3. SCR-270 - Wikipedia

   en.wikipedia.org/wiki/SCR-270

   It was the U.S. Army's primary long-distance radar throughout World War II and was deployed around the world. It is also known as the Pearl Harbor Radar , since it was an SCR-270 set that detected the incoming raid about 45 minutes before the 7 December 1941, attack on Pearl Harbor commenced.

4. AN/MPQ-4 - Wikipedia

   en.wikipedia.org/wiki/AN/MPQ-4

   The system was packed onto a 1 + 1 ⁄ 2 ton trailer, with the radar scanner roughly centered and the operator's console on a mount at the back. The system could be operated directly from the back of the trailer, or the console could be removed and connected back to the radar using a 150 foot (46 m) cable. Power was supplied by a 400 Hz generator.

5. Air-to-surface-vessel radar - Wikipedia

   en.wikipedia.org/wiki/Air-to-surface-vessel_radar

   As German U-boat losses shot up in 1942, they concluded the RAF was using radar to detect them and responded with the Metox radar detector. The RAF responded by deploying the microwave-frequency ASV Mark III, which the Germans were unable to detect until the U-boat fleet had already been decimated. A series of other ASVs were developed for ...

6. SW1C - Wikipedia

   en.wikipedia.org/wiki/SW1C

   This allowed the U-boats to detect radio signals in the 1.5 m band used by SW and other UK radars, warning them of any nearby radars long before that radar could detect the U-boat. Metox could not detect microwave-frequency radars like the 271, putting the Canadian ships at a significant disadvantage to their allies. [ 13 ]

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