Difference between revisions of "AN~PRC-77"
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radio-telephone voice communication. Receiver-Transmitter, Radio RT-841/PRC-77 is also used as part of Radio Sets, AN/VRC-64 and AN/GRC-160 (TM 11-5820-498-12). | radio-telephone voice communication. Receiver-Transmitter, Radio RT-841/PRC-77 is also used as part of Radio Sets, AN/VRC-64 and AN/GRC-160 (TM 11-5820-498-12). | ||
+ | |||
+ | ==Technical Characteristics== | ||
+ | ;Frequency range: | ||
+ | :Low band | ||
+ | ::30.00 to 52.95 MHz ±3.5 kHz. | ||
+ | :High band | ||
+ | ::53.00 to 75.95 MHz ±3.5 kHz. | ||
+ | ;Number of channels | ||
+ | :920 | ||
+ | ;Channel spacing | ||
+ | :50 kHz | ||
+ | ;Types of transmission and reception: | ||
+ | :Transmission . . . . | ||
+ | ::Voice (300 to 3,500 Hz) and 150 Hz squelch tone | ||
+ | :Reception . . . . . . | ||
+ | ::Voice (no squelch) or voice and 150 Hz squelch tone | ||
+ | ;Security or digital data equipment | ||
+ | :Wideband (10 to 20,000 Hz) without 150 Hz squelch tone | ||
==Additional Files== | ==Additional Files== |
Revision as of 01:59, 29 May 2013
Purpose and Use
Radio Set AN/PRC-77 is a man-pack, portable, frequency-modulated (fm) receiver-transmitter used to provide short-range, two-way, radio-telephone voice communication. Receiver-Transmitter, Radio RT-841/PRC-77 is also used as part of Radio Sets, AN/VRC-64 and AN/GRC-160 (TM 11-5820-498-12).
Technical Characteristics
- Frequency range
- Low band
- 30.00 to 52.95 MHz ±3.5 kHz.
- High band
- 53.00 to 75.95 MHz ±3.5 kHz.
- Number of channels
- 920
- Channel spacing
- 50 kHz
- Types of transmission and reception
- Transmission . . . .
- Voice (300 to 3,500 Hz) and 150 Hz squelch tone
- Reception . . . . . .
- Voice (no squelch) or voice and 150 Hz squelch tone
- Security or digital data equipment
- Wideband (10 to 20,000 Hz) without 150 Hz squelch tone
Additional Files
- OPERATOR’S AND ORGANIZATIONAL MAINTENANCE MANUAL
- RADIO SET
- AN/PRC-77 (NSN 5820-00-930-3724)
- (Including Receiver-Transmitter, Radio RT-841 /PRC-77) (NSN 5820-00-930-3725)
- 1 January 1987
PRC-77 Interconnection Diagram
PRC-77 Mechanism Exploded Views
EMP Hardening Investigation of the PRC-77 Radio Set
- J.S. Seregelyi, C. Gardener, J.A. Walsh and R. Apps
- Defence Research Establishment Ottowa
- February 1993