Restricted Areas

9. AFS Almaden

Last modified: 24 Apr 2022, submitted by: Joker

Country: United States    Region: California

Locale: San Jose vincinity

Latitude: 37° 9' 33" N     Longitude: -122° 5' 59" E

Area use / Military Branches: Closed


3709′34″N 12154′01″W Former Almaden radar station was under
Site built 1954 and ops 1957 hosting 682nd Aircraft Control and Warning Sqn
Equipment AN/FPS-20 and twin AN/FPS-6 radars. In 1961 over on AN/FPS-24 radar and AN/FPS-20 removed. Its concrete foundation was re-purposed as a helipad. In 1963 AN/FPS-90 replaced the second AN/FPS-6 height-finder and the original AN/FPS-6 was removed and replaced with an AN/MPS-14 height finder adjacent to the AN/FPS-24.

In 1962, Almaden AFS joined the Semi Automatic Ground Environment (SAGE) system, feeding data to DC-18 at Beale AFB, California. After joining, sqn redesignated "682d Radar Squadron (SAGE)". In 1963, the SAGE site was switched to DC-17 at Norton AFB, California. Also the site was redesignated again NORAD ID Z-96. In 1979 Almaden AFS came under Tactical Air Command (TAC) jurisdiction with inactivation of ADC. Ops ceased 1980 as a result of budget restrictions and general phase down of air defense radar stations.

The station is closed and asbestos contaminated so its off-limits to the general public.

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