15 December 1965
ITEM NAME: DISPLAY BOARD PLOTTING GROUP
Siting: Dependent on associated radar location.
Magnification: Variable, 2.25x (min) to
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
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
Azimuth and Range Indicator
REFERENCE DATA AND LITERATURE