AN/USQ-42

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Contents

Overview

Radio Frequency Monitor Set AN/USQ-42 is a manpack or vehicular, portable, frequency modulated (fm) receiver. It is used to monitor signals from as many as 27 remote sensors on any one of 31 channels. When a sensor transmission is received, the AN/USQ-42 displays the remote sensor identity number on a front panel display and provides a headphone output of the received audio signal.

Radio Frequency Monitor Set AN/USQ-42 consists of:

  • Monitor, Radio Frequency, R-1561/USQ- 42
  • Bag, Cotton Duck CW-1033/ USQ-42 (carrying bag)
  • Base, Antenna AB-1093/USQ-42,
  • Antenna AS-2280/ USQ-42,
  • Digital Display Cable Assembly
  • Headset H-139
  • Harness, Electrical Equipment ST-158/USQ-42 (harness) is used to carry the R-1561/USQ-42 in manpack operation.


Technical Characteristics

Number of channels
31
Number of sensor codes per channel.
1 to 27
Type of reception
Voice and tone-modulated identity codes (fm)
Types of antennas
Manpack Operation - Antenna AS-2280/USQ-42
Stationary Operation - Base, Antenna AB-1093/USQ-42
Vehicular Operation - Vehicular Antenna for M161 truck mounting
Helicopter Operation - Aircraft Antenna AT-209/ARR-26 for UH-1D helicopter mounting.


USQ-42.png


Sensor

AN-USQ-42 Sensor.png

Frequencies

Channel Frequencies
Ch # Frequency (mHz) Ch # Frequency (mHz) Ch # Frequency (mHz) Ch # Frequency (mHz)
00 161.500 10 169.000 20 164.875 30 172.375
01 162.250 11 169.750 21 165.625 31 173.125
02 163.000 12 170.500 22 166.375 32 173.875
03 163.750 13 171.250 23 167.125 33 174.625
04 164.500 14 172.000 24 167.875 34 175.375
05 165.250 15 172.750 25 168.625 35 161.125
06 166.000 16 173.500 26 169.375 36 161.875
07 166.750 17 162.625 27 170.125 37 174.250
08 167.500 18 163.375 28 170.875 38 175.000
09 168.250 19 164.125 29 171.625 39 175.750


Reference Files

Adobe_PDF_icon.png TM 11-5840-339-12[1]
OPERATOR AND ORGANIZATIONAL MAINTENANCE MANUAL
RADIO FREQUENCY MONITOR SET
AN/USQ-42
April 1968


Adobe_PDF_icon.png TM 11-5840-339-34[2]
DS AND GS MAINTENANCE MANUAL
RADIO FREQUENCY MONITOR SETS
AN/USQ-42
(LIMITED COVERAGE)
May 1968


Adobe_PDF_icon.png TM 11-5840-339-35[3]
DS, GS AND DEPOT MAINTENANCE MANUAL
RADIO FREQUENCY MONITOR SETS
AN/USQ-42
AN/USQ-42A
AN/USQ-42B
June 1970

References

  1. TM 11-5840-339-12,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office
  2. TM 11-5840-339-34,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office
  3. TM 11-5840-339-35,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office