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. GRC-171 (V)1.

The GRC-171(V)1 is a UHF AM transceiver designed for use in transportable and fixed station environments to provide ground-to-air and point-to-point AM voice transmission and reception for air traffic communications. This radio provides 7,000 channels for UHF AM communications in the 225 to 399.975 MHz range at 25 kHz spacing, with 20 watts.

2.1 Description: The Radio Set AN/GRC-171 is a UHF trans-ceiver intended for worldwide use in the air traffic control environment. The equipment provides AM and wideband data communications on any 1 of 7,000 channels (25 Khz spacing) in the 225- to 399.975 Mhz band. The equipment is completely

2011年7月7日 · The AN/GRC 171 is a multichannel transceiver extensively used throughout the world to provide communications with aircraft. It weighs 75 lbs, is completely solid state and has a transmitter...

AN/GRC-171 DEPARTMENTS OF THE ARMY, THE NAVY, AND THE AIR FORCE 1 MARCH 1975. TO 31R2-2GRC171-2 TM 11-5820-815-14 NAVELEX 0967-LP-544-5010 Technical orders are normally distributed promptly after printing. Date(s) shown on the title page (lower right) are for identification only. This is not a distribution date.

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GRC-171B(V)4. The US Air Force contracted with Rockwell Collins to produce the GRC-171B(V)4 radio incorporating HAVE QUICK II capabilities for its GRC-XXX requirement. The GRC-171B(V)4 high-performance UHF receiver-transmitter is designed for reliable air traffic control communications in normal or frequency-hopping modes at collocated VHF/UHF

Radio Set Control C-7999/GRC-171, Outline and mounting Diagram. PRIMARY POWER STRAPPING.

An/grc-171 (v) 4 MRC: A classification of radio frequency emission in which the modulation,transmission,and/or supplementary characteristics are represented by symbols.

An electronic device whose radio frequency input signals control power from a source independent of the input signals, and delivers radio frequency output signals of greater amplitude with respect to current and/or voltage. The output signals characteristics are uniformly related to the input signals. It operates at frequencies above 20 kilohertz.