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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
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Value
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Notes
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| Nomenclature |
GRC-171 |
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| 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
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| Manufacturer |
Collins Radio Group/ Rockwell International, Cedar Rapids, Iowa |
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| Type |
UHF AM Radio Transceiver |
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| IEEE Band |
UHF |
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| Frequency |
225-399.975 MHz |
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| Channels |
7,000 @ 25 kHz spacing |
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| Channel Spacing |
25 kHz |
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| Technology |
All solid state |
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| Power Output |
20-watt AM carrier |
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| Input Power |
95 to 132 V ac; 189 to 264 V ac; 47 to 63 Hz; 380 to 420 Hz; single-phase. |
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| Introduced |
1973 |
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| Production |
10,752 est |
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| Final Cost |
$100,000 est each |
with all support equip
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 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
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Model
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Quantity
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Height
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Width
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Deep
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Weight
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Notes
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| Radio Set Control
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C-7999/GRC- 171
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1
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2.62 in
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3.25 in
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4.5 in
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0.69 lb
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| Radio Receiver-Transmitter
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RT980/GRC-171
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1
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8.72 in
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19.00 in
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19.20 in
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74.5 lb
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See Also:
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:
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