15 December 1965
DATE: 1 July 1964
ITEM NAME: INDICATOR GROUP
COGNIZANT SERVICE: USN
FEDERAL STOCK NUMBER:
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number: Lavoie Laboratories, Morganville, N. J.
Illustration Not Available
determination of bearing and range between any
two targets displayed on the indicator.
Indicator Group AN/APA-113 is used in conjunction
Height Data Request System: Receives azimuth
with several other equipments, all commonly installed in
and range data to identify a target; transmits
2PG-2W aircraft, for airborne search, tracking, and
height data. Indicators of this equipment also
plotting of targets and for controlled intercept
receive and display IFF, sonobuoy, beacon, and
other selected video data.
Number of Indicators: 4 max
RELATION TO SIMILAR EQUIPMENT
Type of Presentation: PPI
Azimuth Coverage: 360 deg
Range Markers: 10 and 15 mi, displayed on PPI
Range Strobe: 2; displayed on centered cursor and
slewed cursor sweep.
Three indicators which provide PPI
variable from 0 to 200 mi
displays on 10 inch CRT.
Input Height Data: 0 to 60, 000 ft above sea level
Power Requirements: 115 to 200 vac, 3-ph, 320 to
Three displayed on each indicator at
1,000 cps, 3, 500 va; 115 to 200 vac, 3-ph 380
selected ranges of 20, 50, 100, or 200 mi. On
to 420 cps, 115 va; 28 vdc, 150w
the first sweep, the PPI rotates in
synchronization with the antenna to provide
azimuth and range data of the displayed video.
The centered cursor sweep and its range strobe
are used to select and identify video targets
when requesting height information from the
associated height finder equipment. The sic-
wed cursor sweep and range strobe permits