Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: VIDEO MAPPING GROUP
TYPE: AN/GPA-30
and 50,000 usec
equipment will resolve map lines 0.0025 inches wide
Resolution: 1600 lines
and spaced 0.0075 inches apart. This map is presented
Range Accuracy: plus or minus 1 pct
to the PPI of the associated radar. It is superimposed
Azimuth Accuracy: plus or minus 15 min
over the video signals from acquired targets, permitting
Video Bandwidth: 4 mc
the operators to locate the position of a radar target with
Type Presentation: Mapping signals art generated on a 5-
respect to a point on the earth's surface. The AN/GPA-
inch oscilloscope; mapping data is displayed on the PPI
30 is capable of supplying video mapping signals to a
indicators of the associated radar; one 3-in. test
maximum of 12 plan position indicators. Map making
synchroscope is part of this equipment.
and photographic facilities for drafting and processing of
Mapping Ranges: 10 to 30, 25 to 100,
maps are not included with this equipment.
75 to 299, and 150 to 350 mi
RELATION TO SIMILAR EQUIPMENT
Power Requirements: 120, ac, 60 cps, 1-ph, 960 w
Similar to, but not interchangeable with Electronic
Mapping Group AN/GPA-5, as no provisions are
included for drafting and processing of maps.
INSTALLATION CONSIDERATIONS
TECHINICAL DESCRIPTION
Video Output: 1 to 5v
Siting: The AN/GPA-30 equipment should be located in the
Terminating Impedance: 50, 72 or 90 ohms
same operations shelter as the associated radar.
Pulse Repetition Rate: 150 to 2000 pps
(conforms with prr of associated radar)
Mounting: The equipment is installed in the operations
Range: 10 to 350 naut mi (mapping)
building of the radar which it is used.
Horizontal Coverage: 360 deg
Map Table Speed of Rotation: O to 20 rpm
Related Equipments: Video Mapping Group AN/GPA-30 is
Sweep Speeds: 100, 500, 1000, 2000, 5000
used to present mapping information on the indicator of
the following sets: AN/CPS-6B, AN/FPS-8, AN/FPS-3,
AN/FPS-3A, AN/CPN-16, AN/MPS-7, AN/MPS-11,
AN/FPS-10 and Indicator AN/UPA-35.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Cabinet Electrical Equipment
1
39-5/8
25
19-3/b
CY-1643/GPA-30 with shock
40-1/d
25
19-3/8
mounts, with coasters
Oscilloscope OS-52/GPA-3 and
1
22-1/2
7-13/32
Video Amplifier AM-1133/GPA-30
Electronic Control Amplifier
1
6-7/8
16-21/32
AM-1131/GPA-30 and Sweep
Generator 0-322/GPA-30
Power Supply Panel
1
11-29/32
24-3/8
PP-121d/GPA-30
Electrical Synchronizer
1
13-9/16
16-21/32
SN-119/GPA-30 and Power
Distribution Panel
SB-413/GPA-30
REFERENCE DATA AND LITERATURE
TECHNICAL ORDERS:
31P1-2GPA30- Series
AN/GPA-30: 2
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