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A Ground Equipment Facility of the Federal Aviation Administration (FAA) is a radar station or other designated Air Traffic Control site of the United States. Several of the facilities originated as Cold War SAGE radar stations, including some facilities of the joint-use site system (JUSS)[1] (e.g., San Pedro Hill Air Force Station provided radar tracks for both the Army and USAF). The USAF declared full operational capability of the 1st 7 Regional Operational Control Centers (ROCCs) on December 23, 1980.[2]

JSS Ground Equipment Facilities
IDs Landform
(former military site)
ST Coordinates initial year FAA year Inactivated
J-12 (Z-249) Dauphin Island (Dauphin Island AFS) AL 30°15′01″N 088°04′42″W / 30.25028°N 88.07833°W / 30.25028; -88.07833 (Dauphin Island AFS TM-196, Z-249) 1959 1980 tbd
J-31 (Z-39) San Pedro Hill (San Pedro Hill AFS) CA 33°44′45″N 118°20′10″W / 33.74583°N 118.33611°W / 33.74583; -118.33611 (FAA GEF J-xx (ARSR-4)) 1961 1997 n/a
J-33 (Z-38) tbd (Mill Valley AFS) CA 37°55′26″N 122°35′49″W / 37.92389°N 122.59694°W / 37.92389; -122.59694 (FAA GEF J-xx (Mill Valley)) 1951 1980
J-34 (Z-37) tbd (Point Arena AFS) CA 38°53′23″N 123°33′01″W / 38.88972°N 123.55028°W / 38.88972; -123.55028 (FAA GEF J-34 (Point Arena)) 1951 tbd 1998
J-36A San Clemente Island (San Clemente Island AFS) CA 1952 c. 1998
tbd (DC-21DC) Grovers Cliff (Fort Heath) CA 42°23′19.5″N 070°58′10″W / 42.38875°N 70.96944°W / 42.38875; -70.96944 (FAA GEF (ARSR-1)) 1959 1969 mid-to-late 1990s
tbd (Z-10) tbd (North Truro AFS) MA 42°02′03″N 070°03′15″W / 42.03417°N 70.05417°W / 42.03417; -70.05417 (North Truro AFS P-10) 1951 1995 tbd


  1. Butler, Gerald W; Shaner, Mary; Shaner, Richard; Shaner, Richard. The Guns of Boston Harbor. Retrieved 2013-03-01. "In 1958, the Federal Aviation Administration (FAA) constructed long-range acquisition radar at Fort Heath. Commissioned in 1959, the ARSR-1 radar was used to track aircraft 220 miles distant for flight-following" purposes. …the army and air force also used this surveillance radar for Air Defense Control and Coordination Systems (ADCCS)." 
  2. Del Papa, Dr. E. Michael; Warner, Mary P. (October 1987). A Historical Chronology of the Electronic Systems Division 1947-1986 (Report). Retrieved 2012-07-19. "so-called Semi-Automatic Direction Center System, later known as…Semi-Automatic Ground Environment System, in essence, the Lincoln Transition System." 

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