Information for Lincoln Lab ESS, MA

Latitude: 42-27-37 N, Longitude: 071-16-04 W

Perm ID

Sage ID

JSS ID

Unit

Location

Early
Equip.

Final
Equip.

Oper.
Date

Inact.
Date

Notes

Lincoln Lab ESS, MA

XD-1 (AN/FSQ-7 prototype)

1955

Experimental SAGE Subsector (ESS), operated by MIT Lincoln Labs (now part of MITRE). First SAGE building ever built and housed the expermental Cape Cod System Air-Defense Sector.

History of Lincoln Lab ESS, MA

The experimental SAGE subsector, located in Lexington, Mass., was completed in 1955. It was equipped with a prototype AN/FSQ-7 Combat Direction Central known as XD-l. A radar system provided a variety of inputs similar in number and type to those used in the SAGE System. An Air Force ground-to-air data link was connected to the output for experiments with data-link-equipped aircraft.

The experimental SAGE Subsector provided experimental data on electronic reliability, computer programs, and operating procedures. It was organized to support the regular functions of a Direction Center, and was used to obtain operational approval and to determine required equipment modifications.

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