• Thumbnail for CXAM radar
    The CXAM radar system was the first production radar system deployed on United States Navy ships, operating in the mid-high VHF frequency band of 200 MHz...
    8 KB (719 words) - 14:11, 5 August 2023
  • Thumbnail for Early-warning radar
    (for the era) 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...
    6 KB (839 words) - 00:56, 16 August 2024
  • Thumbnail for USS Hornet (CV-8)
    removed. In June 1942, following the battle of Midway, Hornet had a new CXAM radar installed atop her tripod mast, and her SC radar was relocated to her...
    33 KB (3,623 words) - 22:17, 1 June 2024
  • Thumbnail for USS Northampton (CA-26)
    at Pearl Harbor. Northampton was one of six ships to receive the new RCA CXAM radar in 1940. Northampton was at sea with Admiral William Halsey, Jr. in...
    16 KB (1,555 words) - 00:50, 26 August 2024
  • Thumbnail for USS Texas (BB-35)
    385 MHz CXZ. In 1941, Texas was one of fourteen ships to receive the RCA CXAM-1 radar. Soon after war broke out in Europe in September 1939, Texas began...
    109 KB (12,340 words) - 08:50, 30 August 2024
  • Thumbnail for USS Wasp (CV-7)
    (28 mm) batteries was added. Wasp was one of 14 ships to receive the early RCA CXAM-1 radar. After those repairs and alterations were finished, Wasp got underway...
    54 KB (7,090 words) - 14:57, 9 September 2024
  • Thumbnail for USS Chicago (CA-29)
    San Pedro, California. Chicago was one of six ships to receive the new RCA CXAM radar in 1940. Chicago continued to operate out of San Pedro until 29 September...
    20 KB (1,911 words) - 02:57, 1 June 2024
  • Thumbnail for Battle of Tassafaronga
    detects surface craft and is also useful for night navigation. (x): CXAM onboard; CXAM radar is a medium range radar to detect both ships and aircraft. Officer...
    54 KB (6,471 words) - 06:51, 13 August 2024
  • Thumbnail for USS Enterprise (CV-6)
    the Pacific. Enterprise was one of fourteen ships to receive the early RCA CXAM-1 radar. Captain George D. Murray assumed command of the carrier on 21 March...
    56 KB (6,313 words) - 08:52, 30 August 2024
  • Thumbnail for USS Yorktown (CV-5)
    Problem XXI that April. Yorktown was one of six ships to receive the new RCA CXAM radar in 1940. At the same time her signal bridge atop the tripod foremast...
    57 KB (7,367 words) - 18:00, 20 August 2024
  • Thumbnail for USS Saratoga (CV-3)
    guns replaced the main armament in early 1942. Saratoga received an RCA CXAM-1 early warning radar in February 1941 during a refit in Bremerton. The antenna...
    78 KB (10,728 words) - 22:29, 27 August 2024
  • Thumbnail for USS Ranger (CV-4)
    repairs on 21 March 1942. Ranger was one of 14 ships to receive the early RCA CXAM-1 radar. Ranger served as flagship of Rear Admiral Arthur B. Cook, Commander...
    45 KB (5,053 words) - 15:34, 8 August 2024
  • Thumbnail for Lexington-class aircraft carrier
    dual-purpose guns replaced the main armament in early 1942. Saratoga received a RCA CXAM-1 early warning radar in February 1941 during a refit in Bremerton. The antenna...
    38 KB (5,067 words) - 19:57, 1 May 2024
  • Thumbnail for USS California (BB-44)
    XAF radar sets; on being delivered to the Navy, they were designated as CXAM radar; one set was installed aboard California in 1940, with the other five...
    47 KB (6,286 words) - 08:52, 30 August 2024
  • Thumbnail for USS Washington (BB-56)
    guns, a CXAM air-search radar, and an SG surface-search radar. During her early 1944 refit, she received an SK air-search radar in place of the CXAM and a...
    60 KB (8,293 words) - 08:55, 30 August 2024
  • Thumbnail for USS Curtiss (AV-4)
    through the spring of 1941. She was one of 14 ships to receive the early RCA CXAM-1 radar. On 26 May, she got underway for Pearl Harbor, from which she served...
    16 KB (1,758 words) - 11:11, 30 August 2024
  • Thumbnail for SCR-584 radar
    developing two systems similar to their own existing Chain Home, the Navy's CXAM and the Army's SCR-270. This began to break the ice between the two groups...
    18 KB (2,616 words) - 19:40, 19 July 2024
  • Thumbnail for USS Pensacola (CA-24)
    arriving on the 12th. Pensacola was one of six ships to receive the new RCA CXAM radar in 1940. Maneuvers frequently found the cruiser off Midway and French...
    27 KB (3,033 words) - 09:08, 30 August 2024
  • Designation Wavelength Platform CXAM 150-cm large surface ships SK-1 large surface ships SK-2 large surface ships SC 50-cm surface ships SF 10-cm too heavy...
    115 KB (12,795 words) - 01:29, 27 August 2024
  • Thumbnail for USS Pennsylvania (BB-38)
    above which the aft main battery director cupola was housed. One of the new CXAM-1 radars was installed above the cupola. The older 5-inch /51 cal anti-ship...
    59 KB (8,032 words) - 08:51, 30 August 2024
  • Thumbnail for Colorado-class battleship
    and processing systems SC radar (Colorado and Maryland) SK radar SRa radar CXAM radar (West Virginia) Armament 8 × 16 in (406 mm)/45 caliber Mark 1 guns...
    48 KB (6,315 words) - 16:56, 23 June 2024
  • Thumbnail for USS Salt Lake City (CA-25)
    fuel oil Complement 87 officers 576 enlisted Sensors and processing systems CXAM radar from 1940 Armament 10 × 8 in (203 mm)/55 caliber guns (2×3, 2×2) 4...
    32 KB (3,613 words) - 17:00, 15 July 2024
  • Thumbnail for History of radar
    Designated CXAM, deliveries started in May 1940. The acronym RADAR was coined from "Radio Detection And Ranging". One of the first CXAM systems was placed...
    151 KB (22,275 words) - 00:07, 25 August 2024
  • Radar equipment Name Image Type Origin Notes CXAM radar Radar picket  United States Installed on ships SCR-268 radar Radar  United States SCR-270 Radar...
    35 KB (1,803 words) - 21:25, 3 August 2024
  • Thumbnail for USS Augusta (CA-31)
    foremast to receive a CXAM radar antenna when it became available. Augusta was one of fourteen ships to receive the early RCA CXAM-1 radar. Departing Mare...
    73 KB (10,106 words) - 12:52, 7 June 2024
  • Thumbnail for USS Chester (CA-27)
    – 21 January 1941). Chester was one of six ships to receive the new RCA CXAM radar in 1940. Home-ported at Pearl Harbor from 3 February, the cruiser exercised...
    16 KB (1,670 words) - 09:40, 30 August 2024
  • like this, but found it was virtually identical to the US Navy's longwave CXAM radar. The Americans then described their microwave research done by Loomis...
    22 KB (2,775 words) - 18:51, 14 May 2024
  • improved and designated CXAM; these 200-MHz (1.5-m), 15-kW sets went into limited production with first deliveries in May 1940. The CXAM was refined into the...
    141 KB (22,067 words) - 20:52, 27 July 2024
  • Thumbnail for North Carolina-class battleship
    commissioned with two Mark 38 directors and were originally fitted with a CXAM air search, two Mark 3s and three Mark 4 secondary armament. By November...
    88 KB (11,894 words) - 23:17, 28 May 2024
  • Thumbnail for USS North Carolina (BB-55)
    guns, a CXAM air-search radar, and an SG surface-search radar. During her early 1944 refit, she received an SK air-search radar in place of the CXAM and a...
    53 KB (6,663 words) - 08:52, 30 August 2024