Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
AN/SPN-23
Pulse Repetition Rate: 1,000 pps
FUNCTIONAL DESCRIPTION
Pulse Width: 0.15 to 0.25 sec on 1-, 2-, and
Radar Set AN/SPN-23 is a small-boat surface
5-mi range; 0.4 to 0.5 sec on 10- and 20-mi
search navigational radar equipment designed to display
ranges
visually the ranges and bearings of surface objects at
IF. Frequency: 30 mc
ranges up to 20 nautical miles.
Bandwidth: 8 mc
Type of Presentation: One 7-in. PPI
RELATION TO SIMILAR EQUIPMENT
Ranges: 1 2, 5, 10, and 20 mi
Inverter Output: 115v, 1,000 cps, 1-ph, 260w
Same as Edo Corp. Radar Model 320, except that
Operating Voltages and Power Requirements:
the AN/SPN-23 is equipped with a 24 vdc inverter.
24 vdc
Horizontal Beam Width: 1.8 deg
TECHNICAL DESCRIPTION
Vertical Beam Width: 25 deg
Antenna Rotation Speed: 15 rpm
Frequency: 9345 to 9405 mc
Power Output: 7 to 10 kw
INSTALLATION CONSIDERATIONS
Not available.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Antenna-Scanner Unit
1
14
24
24
Display Unit
1
16
13
10
Total Wt.
Power Supply and Receiver
1
16
14
6
260
REFERENCE DATA AND LITERATURE
Technical Manual:
NAVSHIPS 92721
AN/SPN-23: 2
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