Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: CLOSE SUPPORT CONTROL SET
TYPE: AN/MSQ-2
Board: 88,000 yds (max)
enables the equipment to direct aircraft for close support
Aircraft Horizontal Range: 88,000 yds
bombing or strafing missions, provide information for
(max)
bomb scoring, and guide and record the flight of guided
Aircraft Height Above Sea Level: 62,000
missiles.
Guidance may be accomplished b)y
ft (max)
transmitting coded radar pulses to the aircraft or missile,
Radar Height Above Sea Level: 3750 ft
or by voice or coded pulse communication of the 1ilot,
(max)
using the VHF transmitting and receiving equipment of
Target Height Above Sea Level: 3750 ft
Communications Central AN/ GSC-1. The inclusion of a
(max)
flight simulating console permits the AN/MSQ-2 to be
Aircraft Ground Speed: 25 to 650 knots
used for training purposes. The AN/MSQ-2 may be
X and Y Target From Radar Coordinators:
transported in a C-124 type aircraft.
88,000 yds (max)
Target From Aircraft Distance: 500 to
RELATION TO SIMILAR EQUIPMENT
88,000 yds
Aircraft Speed on Flight Simulator:
Some components of the AN/MSQ-2 are Identical to
650 knots (max)
components of the AN/MSQ-1 and AN/MSQ-3.
Wind Speed on Flight Simulator:
105 knots (max)
TECHNICAL DESCRIPTION
Range of Change of Aircraft Course on
Flight Simulator: 10 deg per sec
Frequency: 2700 to 2900 mc
Plotting Surface Dimensions: 31.722-in
Peak Power Output: 250 kw
by 34.722-in
RF Power Source: Type 5586 tunable
Map Scales (Ratio to 1): 62,500; 125,(000);
magnetron
250,000
Pulse Width: 0.8 usec
Plotting Surface Origins Available: Center
Pulse Repetition Rate: 410 pps
and corner
Range: 360,000 yds
X and Y Parallel: 120,000 yds (approx 1/2
Vertical Coverage: -1 deg to plus 90 deg
of plotting surface)
Horizontal Coverage: 360 deg
Expanded Scales (yds per in.): 100, 200,
System Accuracy:
400, 800, and 1600
Range - plus or minus 25 yds
Horizontal Guidance Codes: 3
Azimuth - plus or minus I mil
Vertical Guidance Codes: 1
Beam Width: 2 deg (conical)
Voltage and Power Requirements:
Receiver Bandwidth: 4 mc
120v ac, 60 cps, 3-p,h, 50 kw
Type of Presentation: PPI and 3 J-scopes
Indicator Ranges:
INSTALLATION CONSIDERATIONS
50,000 - yd position: 10,000 yd
Siting: Equipment should be located on a high vantage
intervals
point relatively free from obstructions that may
100,000 - yd position: 20,000 yd
sever radiation.
intervals
Mounting: Radar Set AN/MPS-9 is mounted in Trailer
200,000 - yd position: 20,000 yd
K- 78; Console OA-215/MSQ-2 is installed in Trailer V-
intervals
38/MSQ-1. The components of Communications
360,000 - yd position: 50,000 yd
Central AN/GSC-1 are distributed and housed
intervals
between the two trailers.
Intermediate Frequency: 30 mc
Related Equipments: Radar Set AN/MPS-9,
Aircraft Slant Range Accepted by Plotting
Communications Central AN/GSC-1.
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT
(Inches)
(Inches)
(Inches)
(Pounds)
Radar Set AN/MPS-9
1
Console OA-215/MSQ-2
1
Communications Central AN/GSC-1
1
Dehydrator HD-75/MSQ
1
Trailer K-78
AN/MSQ-2: 2
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