IBM 473L Command and Control System: Difference between revisions

Revision as of 09:16, 2 June 2022

Revision as of 19:14, 14 January 2023

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==IOC phase==

The [[Librascope AN/FYQ-11 Data Processor Set]]{{r|Figure1-2}} was "a configuration of the L-3055" computer that [[Librascope]] manufactured at [[Glendale, California|Glendale]]<ref name="librascopememories">{{cite web|url=http://www.librascopememories.com/Librascope_Memories/History_files/Climate%20for%20Ingenuity%20-%201965.pdf |title=Climate for Ingenuity |date=August 1965 |website=Librascope Memories |access-date=2015-03-08}}</ref> procured for the Initial Operational Capability phase with limited FYQ-11 equipment (e.g., without OA-6041 Control-Indicator Console).<ref name=PRM>{{Cite manual |title=Programmer's Reference Manual For An L-3055 Data Processing System Used As The AN/FYQ-11 Data Processor Set |url=http://www.bitsavers.org/pdf/generalPrecision/L-3055/L-3055_Programmers_Reference_Manual_Sep63.pdf |date=15 September 1963 |access-date=2014-04-08 |quote=Central Processor, Control Console, and Core Memory … Buffer Processors …Magnetic Tape Consoles, Card Reader/Punch, and Line Printer…Disc Memory}} ({{webarchive|archive-date=2014-04-13 |archive-url=https://web.archive.org/web/20140413124456/http://www.marksmath.com/files/librascope/prm-01.html|date=April 13, 2014|titleurl-status=webpagedead transcription at MarksMath.com}}()</ref> and only "4 integrated consoles".{{r|Brown}} FYQ-11 had been accepted by the USAF [[Electronic Systems Division]] in late March 1965{{r|Sturm1967}}{{rp|39}} to replace the IBM 1410 (each FYQ-11 was "234&nbsp;cu ft [and required] 500&nbsp;sq ft" area).<ref name="googleusercontent">{{cite web |url=http://ed-thelen.org/comp-hist/BRL64-l.html#LIBRASCOPE-L3055 |work=A Fourth Survey of Domestic Electronic Digital Computing Systems |id=BRL Report No. 1227 |title=LIBRASCOPE L3055 |date=January 1964 |access-date=2015-03-08 |url-status=live |archive-url=https://web.archive.org/web/20150916184557/http://ed-thelen.org/comp-hist/BRL64-l.html#LIBRASCOPE-L3055 |archive-date=2015-09-16}}</ref> The FYQ-11 had been proposed on February 19, 1962, for the Complete Operational Capability{{r|Singer}} (dual AN/FYQ-11 sets with only a single OA-6041.){{r|PRM}} COC programs planned for the L-3055 included the "Deployment Monitor", "ACE-Tactical", and "ACE-Transport"{{r|TR66-261}}<!--Appendix B--> ([[Computer Based Training]] on the FYQ-11 was also planned.)<ref>{{Citation |format=letter |last=O'Brien |first=John T. |date=7 October 1968 |title=Review of Technical Document [ESD-TR-66-261] |publisher=ESD Public Information Division |___location=letter is last page of PDF |url=https://apps.dtic.mil/sti/pdfs/AD0483236.pdf |work=Computer Directed Training: System 473L Query Language |id=ESD-TR-66-261 |archive-url=https://web.archive.org/web/20140413141220/http://www.dtic.mil/dtic/tr/fulltext/u2/483236.pdf |archive-date=April 13, 2014 |url-status=live}}</ref> After FYQ-11 problems, [[John P. McConnell (general)|the USAF Chief of Staff]] in 1966 cancelled the AN/FYQ-11 and the [[Comptroller General of the United States|Comptroller]] was directed to dispose of "the L-3055 system's equipment"{{r|Sturm1967}} (1977 lawsuit claims by the 1968 Librascope parent--[[The Singer Company]]—were denied.)

==Complete operational capability==

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<ref name=Brown>{{Cite report |last=Brown |first=C.B. |date=4 December 1962 |title=473L DPSS/ICSS Interface Description |url=https://apps.dtic.mil/sti/pdfs/AD0297312.pdf |format=Technical Memorandum |number=TM-3511 |publisher=[[MITRE Corporation]] |access-date=2022-06-01 |archive-url=https://web.archive.org/web/20141024225843/http://www.dtic.mil/dtic/tr/fulltext/u2/297312.pdf |url-status=live |archive-date=October 24, 2014}}</ref>

<ref name=Figure1-2>{{Citation |title=Programmer's Reference Manual For An L-3055 Data Processing System Used As The AN/FYQ-11 Data Processor Set |pages=1-3, 1-4 |chapter=Figure 1-2. AN/FYQ-11 Data Flow and Switching Control Diagram |chapter-url=http://www.marksmath.com/files/librascope/prm-fig-01-2.html |access-date=2014-04-06 |archive-date=2016-03-03 |archive-url=https://web.archive.org/web/20160303221125/http://www.marksmath.com/files/librascope/prm-fig-01-2.html |accessurl-datestatus=2014-04-06bot: unknown }}</ref>

<ref name=SIedu>{{Cite journal |journal=Electronics |date=July 30, 1964 |title=473L System's AN/FYQ-11 |url=http://scienceservice.si.edu/pages/052125.htm |format=article transcript at scienceservice.si.edu |access-date=2014-04-02 |quote=[[Air Force Command Post Systems Division]] under the USAF Deputy Chief… Built around two large computers and 25 other electronic units, the data-processing equipment will become the nerve center of USAF's 473L command-and-control system already at work in the Air Force Command Post at the Pentagon. … The 473L complex}}</ref>