AN/GRC-171 - GlobalSecurity.org
Jul 7, 2011 · 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...
USAF receives new 721S fixed site V/UHF radios from Rockwell Collins
Oct 30, 2013 · A drop-in, software-defined radio replacement for the legacy Rockwell Collins AN/GRC-171 communications system, the 721S radio provides reliable and long-range communications that can be optimised for complex operational conditions.
GRC-171 - FortWiki Historic U.S. and Canadian Forts
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.
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.
TM-11-5820-815-14 Service and Circuit Diagrams RADIO SET AN/GRC-171 …
Radio Set Control C-7999/GRC-171, Outline and mounting Diagram. PRIMARY POWER STRAPPING.
Very High Frequency/Ultra High Frequency Communications System
Jul 7, 2011 · The GRC-171 Radio Group provides for secure/nonsecure, line-of-sight, Link 4A/Link 11/locally-controlled aircraft communications in the UHF range.
Table 3-1. AN/GRC-171 Controls and Indicators (Sheet 2 of 4)
AN/GRC-171 Controls and Indicators (Sheet 2 of 4) CONTROL OR. REFERENCE. INDEX. INDICATOR. DESIGNATION. FUNCTION. RADIO RECEIVER-TRANSMITTER RT-980/GRC-171 (Figure 3-1) (Cont) 2 % MOD on % scale. (Cont) TEMP on OVER TEMP scale. +26V and +22V on 30 VOLT scale. +12V and-12V on 15 VOLT scale. +5V on 6 VOLT scale. 3. …
Defense Technical Information Center - DTIC
Radiofrequency Wave Propagation, Radio Communications.
AN/GRC-171 - Federation of American Scientists
Jan 9, 1999 · 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 output of 20 watts.
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