Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
SC
Operating Voltages and Power Requirements:
RELATION TO SIMILAR EQUIPMENT
110v, 60 cps, 2 kva; 220/440v, 60 cps supplies
may be used in conjunction with Power Trans-
Radar Equipments SC, SC-1, -2, -3, -4, and -5 are
former NT-30ABB
general detection equipments. All of these equipments
Type of Presentation: A-scope
have different frequency ranges. The SC uses only a
Presentation Ranges: 15, 75, and 375 mi
type A presentation, whereas later equipments in the
Antenna Type: 12 end-fed half-wave dipoles,
series use a type A presentation, a PPI scope, and a
screen reflector
remote indicator adaptor.
Antenna Feed: Coaxial
Antenna Polarization: Horizontal
TECHNICAL DESCRIPTION
INSTALLATION CONSIDERATIONS
Frequency: 175 to 225 mc
Peak Power Output: 100 kw
Pulse Width: 5 sec
Siting:
Mounting: Radar should not be mounted on out-
IF. Frequency: 31 mc
board bulkheads. Inboard bulkhead mounting
Bandwidth: 1.5 mc
is satisfactory when bulkhead is braced to
Maximum Detection Range: 150 mi
prevent vibration from ship's gunfire.
Cabling Requirements: Cables must have enough
slack to allow units to slide in and out of case.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Control Unit NT-23AAF
I
21-1/8
13-1/2
19-11/16
Control Unit NT-23AAG
1
21-1/8
13-1/2
19-11/16
Transmitter NT-52AAG
1
50-3/8
21-15/16
22-9/16
Antenna Assembly NT-66AAJ
1
9
2
8-1/2
or NT-66AAK
Receiver-Indicator NT-46AAE
1
22
19-5/8
20
Preamplifier NT-50ABM
1
11-3/4
7-3/4
8
REFERENCE DATA AND LITERATURE
Technical Manual:
ENG 125
SC: 2
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