Volume 1
MIL-HDBK 162A
Section 1
15 December 1965
AN/MPS-4B, -4C
Horizontal Coverage: 360 deg
Height Indicator display in less time than previously
Vertical Coverage: -2 deg to +20 deg angular
required.
Antenna Rotation Speed: 0 to 7 rpm
Vertical Scanning Rate: 1 to 1.5 scans per sec
RELATION TO SIMILAR EQUIPMENT
Resolution:
Range - 0.031 to 0.11 mi
None.
Azimuth - 4 deg
Elevation - 0.8 deg
TECHNICAL DESCRIPTION
System Accuracy:
Range- 2%
Frequency: 6275 to 6575 mc
Elevation - 1,000 ft
Range: 80 mi
Horizontal Beam Width: 4 deg
Height-Finding Capability: 40,000 ft
Vertical Beam Width: 0.8 deg
Range, Min: Less than 500 yd
Receiver Bandwidth: 1 to 1.4 mc and 2.2 to 4 mc
Peak Power Output: 140 kw (min)
IF. Frequency: 30 mc
Operating Voltages and Power Requirements:
115 vac, 60 cps, i-ph or 3-ph, 3-wire, 4.3 kw
INSTALLATION CONSIDERATIONS
Type of Presentation: One 5-in. A-scope; one
7-in. RHI scope; and one PPI scope
Siting:
Indicator Ranges: 0 to 20, 20 to 40, 40 to 60, 60
Mounting: The antenna group is mounted on the trailer;
to 80 and 0 to 80 mi
indicator group is installed in the truck; and the power unit
Range Marks: 5- and 20-mi intervals
is mounted on the ground near the trailer.
RF Power Source: Type 5J57, 5J58, or 4559
Cabling Requirements:
magnetron
Related Equipments:
Pulse Repetition Rate: Variable, 615 to 650 pps
Pulse Width: 0.37 or 1.3 sec
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
Antenna Assembly, AS-403/MPS-4
1
75-7/8
64
94
1525
Radar Modulator, MD-88/MPS-4
1
41-7/16
33-3/8
20-7/8
405
Radar Receiver-Transmitter
1
17-7/16
24-7/8
30-1/8
175
RT-140/MPS-4
Electronic Control Amplifier
1
12-5/8
23-7/8
20-7/8
115
AM-228/MPS-4
Motor-Generator, PU-156/MPS-4
1
13-1/4
25-5/16
20-7/8
251
Power Supply, PP-324/MPS-4
1
22
33-7/16
16-1/2
177
Radar Receiver, R-422/MPS-4
1
6-1/2
6-3/8
18-5/8
Tower, AB-204/FPS-5
1
352
233
233
12,500
Antenna Base, AB-241/FPS-5
1
6-7/8
82-1/8
94-7/8
1000
Range and Height Indicator
1
19-3/4
26
36-1/2
287
IP-14/MPS-4
Range Indicator, IP- 15/MPS-4
1
18-7/8
14- 1/4
36
154
Range and Azimuth Indicator
1
38-1/4
17-7/8
22-5/16
420
CG-55AKJ
AN/MPS-4B: 2
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