Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
600w avg, 1500w peak
AN/GPA-8
Polarization: Vertical
INSTALLATION CONSIDERATIONS
Horizontal Beam Width: 7 deg at half-power
RF Power Input: 10 kw peak at 0. 25% duty cycle
Siting: Requires most unobstructed field available,
Impedance: 50 ohms
in reasonable proximity to associated radar
Filter Attenuation: Less than 0. 5 db over antenna
antenna
frequency range, more than 50 db from 3000 to
Mounting:
10,000 mc
Cabling Requirements:
Power Requirements:
Related Equipment: The AN/GPA-8 is a part of
Heater - 115 or 230v, 50 to 60cps, 1-ph, 100va
Interrogator Sets AN/TPX-17 and AN/TPX- 18.
Operation - 115v *10%, 60 cps *7. 5%, 1-ph,
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Antenna AT-352/UPA-22
1
15-1/2
111-3/8
12-1/8
55
Antenna Pedestal AB-279/GPA
1
20-3/4
13-3/4
11-3/8
76
Test Prod MX-1263/UPA
1
3
6-3/8
2
0.75
Mast AB-278/GPA
1
153-1/2
133
Electronic Control Amplifier
1
20-1/16
21-7/8
14-5/16
99
AM-692/GPA-8
Set of Cables and Equipment
1
21-3/16
35-3/16
21-1/8
200
Spares, w/case
REFERENCE DATA AND LITERATURE
Technical Manual:
NAVSHIPS 91635
AN/GPA-8: 2
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