Volume 1
MIL-HDBK- 162A
Section 2
15 December 1965
ITEM NAME: AIRCRAFT RADAR EQUIPMENT
TYPE: AN/APS-2G
Signal Beam Sweep Ranges: From 0 to 100 naut mi in
certain applications of the equipment, the compass
four steps; 5, 20, 50 and 100 mi
bearing of objects is directly indicated. Different classes
Peak Radio Frequency Output: 50 kw
of objects, such as towns, coast lines, rivers, bridges,
Antenna Azimuth Range: The antenna is designed to
and ships, may be distinguished by observing their
rotate 360 deg continuously or to rotate back and
characteristic screen patterns and relative positions.
forth over any chosen sector of 30 deg or multiple of
The exact bearing of the aircraft may be determined
30 deg
from beacon signals.
Antenna Tilt Range: The Antenna may be tilted from 20
deg above to 20 deg below the horizontal.
RELATION TO SIMILAR EQUIPMENT
Type of Frequency Control: Automatic local oscillator.
The AN/APS-2G is similar to the AN/APS-2F except
for minor improvements and for rearrangement of
Operating Frequency Range
components for installation purposes.
Search Operation: 3300 mc plus or minus 1%
Beacon Operation: 3256 mc
TECHNICAL DESCRIPTION
Operating Power Requirements: 541w at 26v dc, and
782w at 115v, 400 to 2400 cycle, single ph, ac
Pulse Repetition Rate: When the equipment is being
used for searching purposes, 650, plus or minus 75,
INSTALLATION CONSIDERATIONS
pps are transmitted on 3300 mc freq. When the
equipment is used for beacon reception, the pulse
Related Equipments: (Required but not Supplied) (1)
rate is changed to 325, plus or minus 25, pps.
Power Supply (782w at 115v ac, 400 to 2400 cycles), (1)
Power Supply (541w at 24v dc), (1) Flux-Gate Compass
Pulse Duration Rate
Equipment.
Search Operation: 1 usec
Beacon Operation: 2 usec
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENTS
QTYOVERALL DIMENSIONSUNIT WT.
(Inches)
(Pounds)
Transmitter T-64/APS-2G
1 15-19/32 x 17-3/4 x 20
74
Junction Box J-63/APS-2G
1 6-29/32 x 15 x 15-7/32
17
Coaxial Line CU-35/APS-2G
1
5-3/4 x 6 x 12
4.06
Antenna Assy AS-17A/APS
125-3/8 x 28-3/4 x 40-1/32
82
(less mtg base)
Azimuth Differential Unit
1 5-1/4 x 7-1/2 x 9-15/16
6.75
CN-4/APA-14
Relay RE-5/APA-13
1 2-9/16 x 4-3/16 x 5-3/4
2.25
Torque Amplifier
1 5-3/16 x 5-1/2 x 9-9/16
5.25
AM-19/APA-14
Junction Box J-35/APA-14
12-5/16 x 6-7/16 x 9-11/32
2.125
Receiver Indicator
113-3/8 x 19-1/2 x 22-3/16
88
R-73/APS-2G
Plan Repeater-Indicator
16-7/8 x 6-15/16 x 14-3/16
9.75
ID-30A/APS-2D
Control Unit C-73/APS-2F
15-7/16 x 7-15/16 x 8-5/16
4.50
Servo Amplifier AM-21/APA-15
14-19/32 x 6-5/16 x 7-3/16
7
AN/APS-2G: 2
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