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was eventually selected instead. They started production in 1957, along with a massive construction project to erect the buildings, power and communications network needed to feed the SAGE systems with data.
48:. Signals from three long range (AN/FPS-3) radars, eleven gap-filler radars, and three height-finding radars were converted from analog to digital format and transmitted over
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60:. The first tests of the Cape Cod System, beginning in September 1953, used only simulated data, but later tests used
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bombers, as stand-ins for Soviet bombers, and real interceptors scrambled from four Air Force bases.
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The Cape Cod System verified that the new core-based machine was fast enough for use in
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The Cape Cod System was designed to demonstrate a computerized
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125:North American Aerospace Defense Command
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105:The SAGE Air Defense System
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44:system, covering southern
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78:computers for this role.
24:system covering southern
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30:Cape Cod
52:to the
36:History
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16:The
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