Restricted Areas

8. JSS Kalispell

Last modified: 16 Jun 2022

Country: United States    Region: Montana

Latitude: 48° 0' 39" N     Longitude: -115° 38' 6" E

Area use / Military Branches: JSS radar


Grid 4800′41″N 11421′54″W Former AFS Kalispell tacticall: Coldblow at Blacktail Mtn. 1953-1978.
716th AC&W Sqn assigned in 1955 by 4700th Air Defense Wing with an AN/FPS-7B search radar and a pair of AN/FPS-90 height-finders in 1961 and functioned as a Ground-Control Intercept (GCI) and warning station.
1960 Kalispell joined the Semi Automatic Ground Environment (SAGE) system and was redesignated 716th Radar Sqn (SAGE). 1963 redesignated again NORAD ID Z-179.
AN/FPS-26 FD height-finder radar replaced one of the height-finders but was never installed.
AN/FPS-90 decommissioned 1969.
716th Radar Squadron (SAGE) deactivated 1978 as part of the draw down of Aerospace Defense Command and the station became a JSS site
The AN/FPS-90 was modified to an AN/FPS-116 radar and in the early 1980s the AN/FPS-7B was replaced by an ARSR-3 search radar.
AN/FPS-116 was removed circa 1988 and in the late 1990s an ARSR-4 replaced the ARSR-3.
The site is operational as a JSS site today.
More about JSS? Read JSS Ajo

The other Montana state JSS location at Bootleggers Ridge 4736′49″N 11117′25″W (ARSR-4)

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