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

AN-PRC-77 Manpack.png

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

Adobe PDF icon.png TM 11-5820-667-12

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


Adobe PDF icon.png PRC-77 Interconnection Diagram

Adobe PDF icon.png PRC-77 Mechanism Exploded Views

Adobe PDF icon.png 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