AN/GSA-51 Radar Course Directing Group

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The Burroughs AN/GSA-51 Radar Course Directing Group was a United States Air Force air defense command, control, and coordination system, part of the Semi-Automatic Ground Environment system. It was intended to replace vacuum tube IBM AN/FSQ-7 Combat Direction Centrals. Developed under Electronic Systems Division's 416M Program,[1]: 241  in 1962 Burroughs "won the contract to provide a military version of its D825" modular data processing system[2] for the AN/GSA-51 to be used at "BUIC II radar sites"[3] (follow-on to the initial Back-Up Interceptor Control System, BUIC)[4]: 10  BUIC II was 1st used at North Truro Z-10 in 1966,[3] and the Hamilton AFB BUIC II was installed in the former MCC building.[5]

The first D825 computer was originally built for the Navy Research Laboratory with a designation of AN/GYK-3(V).[6] The D825 contained between one and four 48 bit central processor/arithmetic units, up to 16 memory modules and up to 20 IO modules.[7][8] The BUIC systems used "two computer modules, six memory modules and three input/output modules".[7] The computer was designed for high availability and could still operate if any one of its modules failed.[6]

In accordance with the Joint Electronics Type Designation System (JETDS), the "AN/GSA-51" designation represents the 51st design of an Army-Navy electronic device for ground special auxiliary system. The JETDS system also now is used to name all Department of Defense electronic systems.

References

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  1. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). [captions of p. 198, 208, & 265 photos] NOTE: Schaffel's history uses the same name as "The Emerging Shield: The Air Defense Ground Environment," Air University Quarterly Review 8, no. 2 (spring 1956).
  2. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  3. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). (T. E. Page cites: "Shield of Faith" by Bruce Briggs (Simon and Schuster, 1988.)
  6. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  7. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  8. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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