Volume 1
MIL-HDBK-162A
Section 2
15 December 1965
ITEM NAME: RADAR SET
TYPE: AN/APS-23A
Pattern: Sector or 360 deg PPI. De-
RELATION TO SIMILAR EQUIPMENT
pressed center sector scan up to 50 mi range.
Sweep Travel: Linear without altitude correction in
The AN/APS-23A Radar Set is not interchangeable
ranges from 0 to 200 mi or for depressed center
with other set(s). Six components of the AN/APS-23A
operation with ranges up to 50 mi. Hyperbolic for
and their mountings are used in the Radar Set AN/APS-
presenting ground range with altitude correction.
64.
Sweep Timing: Sweep delay operation permits
TECHNICAL DESCRIPTION
distant target areas to be presented near center of
X-Band Frequency: 9375 mc plus or minus
indicator screen for ranges up to 200 mi.
55 mc
Range: 0 to 20 mi, 5 mi intervals
Maximum Range:
20 to 50 mi, 10 mi intervals
200 haut mi for large city.
50 to 80 mi, 20 mi intervals
100 haut mi for land mapping.
80 to 200 mi, 50 mi intervals
200 haut mi for Beacon.
Bearing: Target bearing shown by
Peak Power Output:
360 deg Azimuth scale calibrated
at 5 mi, 40.5 dbm
in two deg intervals.
at 65 mi, 44.0 dbm
Heading Marks: Shows aircraft heading
at 150 mi, 44.0 dbm
either at zero azimuth or compass
Beacon, 44.0 dbm
bearing.
Power Requirements:
INSTALLATION CONSIDERATIONS
400 w (15 amps) 26.5v dc
The AN/APS-23A Radar Set is a major subsystem of
550v amps, 115v regulated ac 500 cys
several Bombing Fire Control Systems which comprise the
1750 or amps, 115v unregulated ac 380
offensive armament system of six different USAF Bomber
to 1000 cycles
Type Aircraft. Therefore, installation consideration of the
Intermediate Frequency: 60 mc
AN/APS-23A would be peculiar to its various uses.
Antenna Rotation Speed: 6 or 14 rpm
Mounting: The AN/APS-23A Radar Set is composed
at slow scan
of forty major components which require thirteen different
Beam Width
mounts, both surface and bulkhead type. All surface
Horizontal (Azimuth): 1.5 deg
mounts are constructed with shock absorbers.
Vertical (Elevation): 55 deg
Presentations
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
DEPTH
WIDTH
HEIGHT
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Servo Amplifier AM-193A/APS-23
1
22.17
7.94
7.75
27
Antenna AS-361C/APS-23
1
60.50
20.38
30.75
104
Control Unit C-412/APS-23
1
8.19
5.50
5.81
6
Control Unit C-413/APS-23
1
12.94
12.56
6.56
13.50
Control Unit C-416/APS-23
1
3.53
2.28
2.63
.50
Gyroscope CN-66A/APS-23
1
12.63
13.06
8.56
21
Volt Reg. CN-189/APS-23A
1
18.25
8.00
8.25
25
Directional Coupler
1-11
5
2.25
2.44
.25
CU-137/APS-23
Line Balancing Network
1-12
5
5
2.72
4
CU-365/APS-23
Filter Unit F-67A/APS-23
1
10.25
7.06
3.50
6
Azimuth Range Indicator
1 or 2
IP-135A/APA-82
Blower HD-46/APS-23
2
5.69
4.75
7.50
6
Indicator IP-277/APS-23
1
27.75
17
13
35
Interconnecting Box
1
14.25
11.38
5.13
13.50
J-438/APS-23A
Junction Box J-219A/APS-23
1
10.50
5.88
4.31
4.50
Radar Modulator MD)-152A/APS-23A
1
22 dia
17
76
Visor (Main or Aux),
2
5.13
5.13
5.44
.25
MX-753/APS-23
Visor (10" Indicator),
1
4.00
10.50
.25
MX-1459/APS-23
AN/APS-23A: 2
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