The Burroughs AN/GSA-51 Radar Course Directing Group was a Cold War command, control, and coordination system of the SAGE System to replace vacuum tube IBM AN/FSQ-7 Combat Direction Centrals for air defense. Developed under the 416M Program:241 of Electronic Systems Division, in 1962 Burroughs "won the contract to provide a military version of its D825" modular data processing system for the AN/GSA-51 to be used at "BUIC II radar sites" (follow-on to the initial Back-Up Interceptor Control System, BUIC):10 BUIC II was 1st used at North Truro Z-10 in 1966, and the Hamilton AFB BUIC II was installed in the former MCC building.
The first D825 computer was originally built for the Navy Research Laboratory with a designation of AN/GYK-3(V). The D825 contained between one and four 48 bit central processor/arithmetic units, up to 16 memory modules and up to 20 IO modules. The BUIC systems used "two computer modules, six memory modules and three input/output modules". The computer was designed for high availability and could still operate if any one of its modules failed.
- ↑ Schaffel, Kenneth (1991). "Emerging Shield: The Air Force and the Evolution of Continental Air Defense 1945-1960" (45MB pdf). General Histories (Office of Air Force History). ISBN 0-912799-60-9. http://www.airforcehistory.hq.af.mil/Publications/Annotations/schaffelemerging.htm. Retrieved 2011-09-26. "A SAGE component, a 64 x 64 [4K] magnetic core memory ... SAGE direction center. This installation is located at Stewart Air Force Base in New York state. ...[Hancock Field] combined direction-combat center was located at Syracuse, New York." [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).
- ↑ DeWerth, John P. (personal notes). ...Sage Memories (Report). SMECC.org. http://www.smecc.org/sage_a_n_fsq-7.htm. Retrieved 2012-04-03. "Senior Director's keyed console...fire button" "[AN/GSA-51]". SMECC.org. http://www.smecc.org/burroughs_buic_-__an_gsa-51__sage_backup.htm. "BUIC ... Burroughs...D825 ... McChord AFB...August 1983" "Phoenix Air Defense Sector". SMECC.org. http://www.smecc.org/sage-__phoenix_air_defense_sector_%26_4629_support_squadron.htm. "Luke AFB...February 1984"
- ↑ 3.0 3.1 Winkler, David F; Webster, Julie L (June 1997). Searching the Skies: The Legacy of the United States Cold War Defense Radar Program (Report). U.S. Army Construction Engineering Research Laboratories. http://www.dtic.mil/cgi-bin/GetTRDoc?Location=U2&doc=GetTRDoc.pdf&AD=ADA331231. Retrieved 2012-03-26. ""BUIC II radar sites would be capable of incorporating data feeds from other radar sectors directly onto their radar screens. "
- ↑ Hellige, Hans Dieter (Februar [sic] 1993). Actors, Visions and Developments in the History of Computer Communications (Report). "Work and Technology" Research Centre. http://www.artec.uni-bremen.de/team/hellige/HDH-artec-Paper20E.pdf. Retrieved 2012-04-02.
- ↑ Page, Thomas E. (June 16, 2009). "http://ed-thelen.org/comp-hist/vs-ibm-sage.html" (anecdotal message post). Ed-Thelen.org. "A number of Super-SAGE Combat Centers (AN/FSQ-32) were planned, but none was built. Most were to have built underground...White Horse Mountain near West Point, NY...at least one SSCC was to have been above-ground (Scott AFB, IL). One prototype Q-32 was installed at the IBM programming center in Santa Monica, CA." (T. E. Page cites: "Shield of Faith" by Bruce Briggs (Simon and Shuster, 1988.)
- ↑ 6.0 6.1 Anderson, James P.; Hoffman, Samuel A.; Shifman, Joseph; Williams, Robert J. (1962). "Proceedings of the December 4-6, 1962, fall joint computer conference on - AFIPS '62 (Fall)". pp. 86–96. Digital object identifier:10.1145/1461518.1461527.
- ↑ 7.0 7.1 < "BUIC Fact Sheet". Burroughs Corporation. http://www.smecc.org/burroughs_buic_-__an_gsa-51__sage_backup.htm<. Retrieved 28 February 2013.
- ↑ Thompson, Rankin N. and Wilkinson, John A. (1963). "The D825 automatic operating and scheduling program". New York, NY, USA: ACM. pp. 41––49. Digital object identifier:10.1145/1461551.1461558. http://dx.doi.org/10.1145/1461551.1461558. Retrieved 27 February 2013.
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