Information for Almaden AFS, CA

Latitude: 37-09-34 N, Longitude: 121-54-04 W

Call Sign(s): Pine Tree


Perm ID Sage ID JSS ID Unit Location Early
Equip.
Final
Equip.
Oper.
Date
Inact.
Date
Notes
M-96 Z-96   682 Almaden AFS, CA FPS-20; FPS-24; MPS-14; FPS-6A/-90 FPS-24; MPS-14; FPS-90 1958 01 April 1980 Site sat at the top of Mount Umunhum; GATR site was on Mount Thayer ~1 mile to the west. The AN/FPS-24 FD search radar at this site was the second production model. This radar station was first designated as site SM-155.

Current Use: Mount Umunhum (site of Almaden AFS) and Mount Thayer (GATR site) are now part of the Sierra Azul Open Space Preserve, and are now open to the general public.

NOTICE:
Some photos and documents may be marked with varying degrees of classification, up to SECRET. Data so marked is the way it was delivered from official USAF sources, and have been completely declassified. To the best of our knowledge, no currently classified data is stored on this site.
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