MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
AN/SPS-23, -23A, -23X, -23Y, -23Z, -23XX
Horizontal Beam Width: 1.9 deg
AN/SPS-23Z
Vertical Beam Width: 20 deg
32 vdc, 1.73 kw
Receiver Bandwidth: 1.5 or 10 mc
Type of Presentation:
IF. Frequency: 30 mc
Two 10-in. and one 5-in. CRT
Receiver Noise Figure: 12 db
Range Scales: 1, 2, 4, 8, 20, and 40 mi
Pulse Repetition Rate: 1,000 pps
Pulse Width:
INSTALLATION CONSIDERATIONS
0.25 sec on 1, 2, 4, and 8 mi scales;
Siting: Consistent with physical limitations of ship,
1 sec on 20, and 40 mi scales
units should be placed so as not to cause undue
Horizontal Coverage: 360 deg
stress on existing structure.
Antenna Rotation Speed: 17 or 20 rpm (depends
Mounting: Units should be mounted so as to allow
on antenna type)
sufficient space for servicing and upkeep.
Range Resolution: 50 yd
Cabling Requirements: Waveguide run should be as
Bearing Resolution: 1.9 deg at 1 mi range
short and direct as possible.
Range Accuracy: 30 yd
Related Equipment:
Bearing Accuracy: 1.5 deg
Sweep Linearity: 2% or 50 yd
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
AN/SPS-23, -23A, -23X, -23Y,
-23Z, and -23XX
Radar Receiver-Transmitter
1
33-7/8
24
29-1/4
304
RT-341/SPS
Control Indicator C-1543/SPS
1
25-3/4
24
47
210
Remark Receiver R-640/SPS
1
12-1/8
16-13/16
10-11/16
25
Azimuth Indicator ID-444/SPS
1
12-1/8
16-13/16
10-11/16
25
Azimuth Indicator ID-445/SPS
1
12-1/8
16-13/16
10-11/16
25
Terminal Box J-659/SPS
1
AN/SPS-23, -23A, -23XX only
Azimuth and Range Indicator
1
25-3/4
24
47
210
IP-306/SPS
Range Indicator IP-307/SPS
1
16-3/4
22
30-1/8
160
Interconnecting Box J-656/SPS
1
24-5/8
21-7/8
10-7/8
66
AN, SPS-23, -23XX only
Interconnecting Box J-663/SPS
1
25-1/8
15
7
26
Terminal Box J-660/SPS
1
14-3/4
12-15/16
4-5/8
14
AN/SPS-23: 2
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