Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
RG-59B/IU, terminated in a 75 ohms
ITEM NAME: VIDEO MAPPING SET
TYPE: AN/GPA-70
Video Map Presentation: PPI s(an, 6(X)
line resolution.
either the mapping cabinet or at an indicator position.
RELATION TO SIMILAR EQUIPMENT
INSTALLATION CONSIDERATIONS
None.
Siting: Siting is not critical.
TECHNICAL DESCRIPTION
Mounting: The main unit may he located between
groups of equipment or adjacent to other electronic
Primary Power Source Required: 117v ac,
equipment, because the set is shielded for rf and all
60 cps, single ph 2.0 kva
magnetic or electrostatic induction.
Trigger PRF: 60 to 2000 pps
Trigger Voltage: 5 to 50v, pos or neg
Cabling Requirements: The main unit must be located
Sweep Range: 10 to 2.10 nautical mi
within a distance of the radar such that the path Iength
Ambient Temperature (Operating): minus
of the video output (:able does not exceed 200 feet
290C to plus 600C
between the rear connector panel of the cabinet and tile
Ambient Temperature (Non-operating):
video input to the PPI of the radar.
minus 550C to plus 700C
Relative humidity (Operating): 90%
Related Equipments: The Video Mapping Set is used for
(Estimated)
the purpose of supply imposing a choice of reference
Relative humidity (Non-operating): 50%
map slides on the screen of such radar PPI's as the
(Estimated)
landing
Control Sets AN/CPS-4 and Radar Set
Barometric Pressure, Altitude above Sea
AN/'CPN-18C.
Level (Operating): 10,000 ft
Barometric Pressure, Altitude above Sea
Level (Non-operating): i10,000 ft
Servo Information Required: X1 and XIO0,
XI and X36, or XI only at 117v, 60
cycles, ac ref
Video Output: 3v at the end of 200 ft of
PRINCIPAL COMPONENTS AND) PMIYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
Scanner, Light Generating
3
0-791/GPA-70
Cabinet, Electrical Equipment
1
CY-3054/GPA-70
Synchronizer, Electrical
1
SN-L29)2/GPA-70
Control Scanner C-3192/GPA-70 -
3
Power Supply PP-2U33/GPA-70
1
Installation Accessories
Maintenance Accessories
REFERENCE DATA AND LITERATURE
TECHNICAL ORDERS:
31P1 -2GPA70- Series
AN/GPA-70: 2
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