GRC-171

GRC-171 Transceiver Radio Set - A Medium Range UHF AM Transceiver Radio set built by Collins Radio Group/ Rockwell International, Cedar Rapids, Iowa. Used in ground radar stations for ground-air communications. Part of USAF Rivet Switch program in the 1970s to replace the aging vacuum tube technology radios with solid-state equipment.

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  GRC-171 Transceiver Radio

GRC-171 Transceiver Radio

GRC-171 Transceiver Radio

Element	Value	Notes
Nomenclature	GRC-171
Variants	GRC-171(V)1. UHF AM transceiver. GRC-171(V)2 UHF AM/FM transceiver. GRC-171A(V)1 UHF AM transceiver. GRC-171A(V)2 UHF AM/FM transceiver. GRC-171A(V)4 UHF AM/FM transceiver. (compatible with Have Quick I). GRC-171B(V)4 UHF AM/FM transceiver. (Have Quick I/II). GRC-171C(V)4 UHF AM/FM transceiver. (Have Quick I only). GRC-171D(V)4 UHF AM/FM transceiver. Configured for non-ECCM operation only
Manufacturer	Collins Radio Group/ Rockwell International, Cedar Rapids, Iowa
Type	UHF AM Radio Transceiver
IEEE Band	UHF
Frequency	225-399.975 MHz
Channels	7,000 @ 25 kHz spacing
Channel Spacing	25 kHz
Technology	All solid state
Power Output	20-watt AM carrier
Input Power	95 to 132 V ac; 189 to 264 V ac; 47 to 63 Hz; 380 to 420 Hz; single-phase.
Introduced	1973
Production	10,752 est
Final Cost	$100,000 est each	with all support equip Rivet Switch Radio Racks at Mill Valley AFS 1978. GRC-171 Transceiver in the upper left. C-7999/GRC-171 Remote Control. GRC-171 Components (edit list) Component Model Quantity Height Width Deep Weight Notes Radio Set Control C-7999/GRC- 171 1 2.62 in 3.25 in 4.5 in 0.69 lb Radio Receiver-Transmitter RT980/GRC-171 1 8.72 in 19.00 in 19.20 in 74.5 lb Context See Also: US Radio Sets Sources: Winkler, David F., Searching the Skies: the Legacy of the United States Cold War Defense Radar Program, USAF Hq Air Combat Command, 1997, 192 pages, Pdf T.O. 31R2-2GRC171-2 Service And Circuit Diagrams Radio Set AN/GRC-171 pdf Links: Forecast International GRC-171(V) - Archived 7/2006 Related: Bucks Harbor Air Force Station, Calumet Air Force Station, Empire Air Force Station, Finley FAA Radar Site, Gibbsboro Air Force Station, Kalispell Air Force Station, Keno Air Force Station, Klamath Air Force Station, Lake Charles Air Force Station, Makah Air Force Station, Malmstrom Air Force Base Radar Site, Mica Peak FAA Radar Site, Mill Valley Air Force Station, Mount Laguna Air Force Station, North Truro Air Force Station, Point Arena Air Force Station, Port Austin Air Force Station, San Pedro Hill Air Force Station, US Radio Sets,