San Clemente Island Air Force Station Tags: Military Structure.Ground Equipment Facility J-36A (San Clemente Island Air Force Station until 1960) is a Federal Aviation Administration (FAA) radar station of the Joint Surveillance System (JSS) in the Western Air Defense Sector (WADS) of NORAD. thumbnail point code ADC: LP-39 P-39, JSS: J-36A, USGS: D-4-66-SC location San_Clemente_Island_Air_Force_Station__location__1 latitude 32.9769 longitude -118.553 Learn more... Loading...