MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
ITEM NAME: RADAR SET GROUP
TYPE:
AN/GPA-27, AN/GPA-27A, AN/GPA-57, AN/GPA-57A
AN/GPA-58, AN/GPA-58A
at 50 mi
Mounting: In arctic installations the first floor of
Antenna Tower AN/199/ FPS-3 or Antenna Tower
Velocity Response Shaping Cancellation
AB-199A/FPS-3 is used to house the electronic
Ratio: 30 db at 3.3 or 5.0 rpm of the antenna
equipment and is referred to as the radar control
Transmitter Limit on Cancellation Ratio: 35 db
shelter. For temperate installations a new radar
Antenna Gain (one way, 1300 mc, nose of beam):
control shelter is required: 25 feet 10 inches by 48
approx 35 db
feet 4 inches, inside plan dimensions, by 10 feet
Transmitter Duty Cycle: 0.00216
clear height. A room of this size houses on active
Modulator Duty Cycle: 0.00288
and one standby channel.
INSTALLATION CONSIDERATIONS:
Related Equipment: Radar Sets AN/FPS-3, AN/FPS-
Siting: Determined by location of existing basic
3A, and AN/MPS-7 (fixed version)
radar.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
(UNCRATED)
Amplifier-Mixer AM-1347/FPS-20
2***
54-1/4
24-1/4
27
288
Power Supply PP-1377/FPS-20
2***
Power Supply PP-1378/FPS-20
2***
Radio Frequency Amplifier
2***
73
50-1/2
32-1/2
550
AM-134B/FPS-20
Radio Frequency Amplifier
2*
AM-1654/FPS-20A
Power Supply PP-1356/FPS-20
4***
12-1/2
23
26-1/2
151
Liquid Electron Tube Cooler
2***
67
28
31
250
HD-230/FPS-20
Power Driven Rotary Pump
2***
46-1/2
24-1/4
50
357
HD-231/FPS-20
Radio Frequency Amplifier
2***
72
30-1/2
32-3/4
464
AM-1402/FPS-20
Radar Modulator MD-276/FPS-20
2***
13-1/4
29-3/4
31-1/4
150
Radar Modulator MD-212/FPS-20
4**
66
36-1/4
36,-1/4
800
Power Supply PP-1301/GPS
4**
Pulse Generator 0-22B/GPS
8**
Radar Modulator MD-268/FPS-20A
2*
Pulse Generator 0-399/FPS-20A
2*
Power Supply Subassembly
4**
24
24
26
PP-1051/FPS-20
Direct Current Power Filter
4**
24
24
26
F-297/FPS-20
Step-up Power Transformer
4**
17-1/2
27
26
TF-190/FPS-20
Power Supply PP-1409/FPS-20A
2*
Voltage Regulator CN-323/FPS-20
6**
44
24
20-1/2
495
Voltage Regulator CN-323/FPS-20
2*
44
24
20-1/2
495
Voltage Regulator (None)
2*
Power Driven Rotary Compressor
2**
48
36
22
473
HD-246/FPS-20
Monitor-Oscillator Group
2***
48-1/2
27-1/2
29-1/4
309
OA-955/FPS-20
Electrical Equipment Cabinet
2***
CY-l q60/FPS-20
Frequency Meter ME-104/FPS-20
2***
Radio Frequency Monitor
2***
ID-446/GPS
Power Supply PP-1345/GPS
2***
Test Adapter UG-I127/GPS
2***
Mounting Panel SB-424/FPS-20
2***
Radio Frequency Oscillator
2***
O-315/FPS-20
AN/GPA-27: 4
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