Information for Mather AFB, CA

Latitude: 38-33-14 N, Longitude: 121-16-09 W

Call Sign(s): Underlate, Sweet Sixteen, Overlay


Perm ID Sage ID JSS ID Unit Location Early
Equip.
Final
Equip.
Oper.
Date
Inact.
Date
Notes
P-58 Z-58   668 Mather AFB, CA CPS-6B(2); FPS-20A; FPS-6; FPS-6B FPS-91A 1950 01-Sep-66 Later, Det. 2 / 666th Radar Sq. Later was an FAA-only site (known as Sacramento), but is closed now.
P-58A       Modesto, CA ** (FPS-14 planned)       Gap-Filler Annex. ** In early ADC plans, but never was built
P-58B       Oroville, CA ** (FPS-14 planned)       Gap-Filler Annex. ** In early ADC plans, but never was built. Oroville was the site of an Army Air Field (now is the Municipal Airport).

Current Use: No longer active. Search radar was type FPS-91A. This FAA long-range radar site was data-tied into the Joint Surveillance System (post 9/11). Around 2001, site became Beacon (SIF) only, but has since been discontinued completely.

NOTICE:
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