Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: DISPLAY BOARD PLOTTING GROUP
TYPE: AN/GPA-29
INSTALLATION CONSIDERATIONS
TECHNICAL DESCRIPTION
Siting: Dependent on associated radar location.
Magnification: Variable, 2.25x (min) to
3.75x (max)
Mounting:
Azimuth and Range Indicator IP-
Distance from Center Line of Plotting
336/GPA-29 is mounted on Display Plotting
Surface to Screen (Throw Distance):
Board Group AN/GPA-29. It should be mounted
15 ft (min) to 25 ft (max)
within 50 ft of local radar set.
Projection Lens: 54 in., f/11
Converter Group OA-948/GPA-29 is mounted
Projection Screen Size: 6-1/2 ft x 6-1/2
within 20 ft of the local radar receiver.
ft (usable surface)
Tilt of Boom: 80 deg right or left of
Related Equipments: Radar Set AN/MPS-7 or
vertical
AN/TPS-ID, Radio Set AN/TRC-I or AN/TRC-8,
Boom Length, Extended: 7 ft (max!
Telephone Terminal AN/TCC-7; one standard
Boom Height, Extended: 8 ft (max)
600 ohm telephone line.
Boom Weight: 811 lb
Width (Maximum with Boom at 80 Degree
Angle: 7 ft
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Facsimile Converter Group
1
30
19
15-1/2
OA-948/GPA-29
Azimuth and Range Indicator
1
IP-336/GPA-29
REFERENCE DATA AND LITERATURE
TECHNICAL ORDERS:
31P1-2GPA29 Series
AN/GPA-29: 2
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