MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
DATE: 1 April 1964
ITEM NAME: ELECTRONIC MAPPING GROUP
COGNIZANT SERVICE: USAF
TYPE: AN/GPA-5
FEDERAL STOCK NUMBER: 5840-505-1728
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Ltd Std
Mfg(s) Name or Code Number: Reeves Instrument Corporation
operational limits, but mapping signals will not appear
FUNCTIONAL DESCRIPTION
on the indicator at distances less than 8.5 miles or
greater than the radius of the map in use. Photographic
Electronic Mapping Group AN/GPA-5 furnishes an
and drafting equipments for making and processing
optical presentation of the region scanned by a radar
maps are included with Electronic Mapping Group
antenna for presentation on a PPI or B-scope. The
AN/GPA-5.
AN/GPA-5 equipment generates electronic map signals
from an opaque film which contains transparent lines
RELATION TO SIMILAR EQUIPMENT
and symbols representing the area within 8.5 to 350
miles of the radar site. Electrical pulses of map video
are mixed with radar target video and applied to
None.
indicator scopes that display the position of a radar
target with respect to a point on the earth's surface. The
TECHNICAL DESCRIPTIONS
AN/GPA-5 may be used to represent a circular area with
a radius greater than 8. 5 miles or less than 250 miles.
Video Output:
5v
max;
75-ohm
terminating
The AN/GPA-5 may be used with indicators having
sweeps longer or shorter than the electronic map ping
AN/GPA-5: 1
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