Information for Mount Laguna AFS, CA

Latitude: 32-52-40 N, Longitude: 116-24-55 W

Call Sign(s): Anderson, Shudder

Perm ID Sage ID JSS ID Unit Location Early
P-76 Z-76 J-30 751; Det. 4, 14 MWS Mount Laguna AFS, CA CPS-4; FPS-3; FPS-8; FPS-7C; FPS-6;FPS-90; FPS-26A (FSS-7) FPS-7E; FPS-90; (FSS-7). ARSR-3; FPS-116 (JSS). Apr-52 JSS ARSR-4 site now BUIC-III. FPS-26A modified to FSS-7 radar. Second ARSR-4 installation.
P-76A Z-76A     Tecate, CA FPS-14   Nov-57 Jun-61 Gap-Filler Annex. Building is still extant. Located on top of Tecate Peak (known to the Indians as Mt. Kuchurnaa which is considered sacred).
P-76B       San Ysidro, CA (FPS-14 first planned, then FPS-18)       Gap-Filler Annex. Never activated. Building is still extant. Located on the west end of Otay Mesa, just east-northeast of San Ysidro (south-southeast of San Diego, CA).
P-76C       Tierra del Sol, CA (FPS-14 first planned, then FPS-18)       Gap-Filler Annex. Never activated. Also known as Hipass.
P-76D Z-76D     Coyote Wells, CA FPS-14   Apr-58 Dec-60 Gap-Filler Annex.
P-76E       Moreno, CA (FPS-14 planned)       Gap-Filler Annex. Never operational. Location has been confirmed.
P-76F / P-59C Z-76F / Z-59C     Joshua Tree, CA FPS-18   Sep-60 Jun-61 Gap-Filler Annex. Located atop Copper Mountain. 1961 and 1962 SAGE maps show Joshua Tree as site P-59C; however, 1958 SAGE map shows Lathrop Wells as site P-59C.

Current Use: Active radar facility.

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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