15 December 1965
AN/SPS-5, -5A, -5B
Pulse Width: 0.37 sec
Pulse Repetition Rate: 683.06 pps
Radar Sets AN/SPS-5,-5A, and -5B are medium
Peak Power Output: 285 kw
power, lightweight, surface search equipments. These
IF. Frequency: 30 mc
equipments feature high power output, narrow pulse
width, thyratron keying, a low noise receiver with a
Antenna Type: Pyramidal horn with slotted parabolic
sensitivity time control and a fast time constant to clarify
target presentation, a large lightweight antenna reflector
Antenna Feed: Waveguide
that provides simultaneous surface search and modified
Horizontal Beam Width: 1.5 deg
(low altitude) air search, and a regulated high voltage
Vertical Beam Width: -7.5 to +7.5 deg and from
power supply which maintains constant power input to
+7.5 deg to +22 deg
Antenna Rotation Speed: 17 rpm
In the AN/SPS-SA and -5B the antenna weight has
Operating Voltages and Power Requirements:
been further reduced by the replacement of Antenna
104 to 126v, 60 cps, 1-ph
AS-511/SPS-5 with Antenna AS-651/SPS-5B.
There is no provision for elevation of the antenna
reflector in the AN/SPS-5A and -5B. The azimuth
synchro system of the AN/SPS-5 is normally a 2x
Siting: Allow space for ventilation, servicing, and
system while the synchro system of the AN/SPS-5A and
interunit cabling. Locate for short cabling, protection
-5B is a 1x system.
from weather, and operating convenience.
Mounting: Antenna bolts to standard mast cap.
RELATION TO SIMILAR EQUIPMENT
Power supply, radar modulator, tuned cavity, and
antenna control mounted on bulk-head. Azimuth-
range indicator table mounted.
Cabling Requirements: Minimum crossovers;
continuous cabling between units; large cables bent
on 7-in. radius or greater; small cables on 5-in.
radius or greater. Separate rf cables if possible, or
run parallel 6 to 12 inches away from other cabling.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
Radar Modulator MD-133/SPS-5
Power Supply PP-601/SPS-5
Control Antenna C-787/SPS-5