Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
ITEM NAME: RADAR EQUIPMENT
TYPE: SC-3
RELATION TO SIMILAR EQUIPMENT
INSTALLATION CONSIDERATIONS
The SC-3 is similar to the SC-2, SC-4 and SC-5. The
Siting: Housed in spaces protected from
SC-3 provides improved anti-jam video balance, back
bomb splinters, shell fragments and
bias, IF. rejection filter, and avc features not found on
weather. Unit location conforms to
earlier models.
latest BuShips type plan.
Mounting: Plates and brackets are needed
TECHNICAL DESCRIPTION
for mounting, but are not supplied. Out-
board bulkheads should not be used for
Frequency: 195 to 205 mc and 215 to 225 mc
mounting. Inboard bulkheads may be used
Power Output: 80w
if they are braced to prevent vibration
Pulse Repetition Rate: 60 pps
from gunfire.
Pulse Width: 6 to 30 usec
Operating Voltages and Power Requirements:
Cabling Requirements: Coaxial cable that
230 or 460v, 60 cps, 1-ph
connects duplexer to receiver should be
Range, Max: 200 mi
as short as possible and never exceed
Range Resolution: 500 yd
300 feet.
Azimuth Resolution: 10 deg
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Transmitter NT-52ABH-1
1
63-1/16
20-1/4
19-9/16
Receiver NT-46ACM
1
21-5/16
20
19-15/32
Plan Position Indicator NT-55ACC-1
1
33-1/4
29-1/16
27-3/32
600
NT-55ACC-1
Control Unit NT-23ADL
1
21-5/16
20
13-1/2
Antenna Assy NT-66AEU or
1
18
91-1/16
43-1/2
595
NT-66AET
REFERENCE DATA AND LITERATURE
Technical Manual:
SHIPS 221A
SC-3: 2
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