MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: RADAR EQUIPMENT
COGNIZANT SERVICE: USN
TYPE: SC-2
FEDERAL STOCK NUMBER: F5840-644-4653
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Obsoles
Mfg(s) Name or Code Number: General Electric Company
Illustration Not Available
Range Resolution: 500 yd
FUNCTIONAL DESCRIPTION
Bearing Resolution: 10 deg
Range Accuracy: 100 yd
Radar Equipment SC-2 is a shipboard radar search
Bearing Accuracy: 3 deg
equipment used on destroyers and larger vessels. It
Range, Min: 1, 200yd
employs a master PPI from which a maximum of 16
Operating Voltages and Power Requirements:
radar repeaters may be fed. Provisions are made for
230/460v, 60 cps, 1-ph, 3.5 kva; or 115 vdc,
use of Mk III IFF equipment.
3.5 kva; or 230 vdc, 3.5 kva
Type of Presentation:
Range - 5-in. A-scope; 15-, 75-, and 375-mi
RELATION TO SIMILAR EQUIPMENT
ranges
PPI - 12-in.; 20-, 75-, and 200-mi ranges
Radar Equipments SC-3 and SC-4are similar to the
Azimuth - True and relative dials
SC-2 but have an improved antenna pedestal. In
Antenna Type: Dipole, end-fed half-wave
addition, the SC-3 provides an anti-jam feature, video
Antenna Feed: Coaxial
balance, back bias, if. rejection filter, and avc. The SC-5
Reflector: Rectangular mattress
has an improved intercept PPI cursor.
Antenna Gain: 13.5 db
Polarization: Horizontal
Horizontal Beam Width: 17 deg
TECHNICAL DESCRIPTION
Vertical Beam Width: 60 deg
Frequency: 175 to 225 mc
Peak Power Output: 200 kw
INSTALLATION CONSIDERATIONS
Pulse Repetition Rate: 60 pps
Pulse Width: 3 to 6 usec
Siting:
IF. Frequency: 31 mc
Mounting: Radar units should not be mounted on
Maximum Reliable Range:
outboard bulkheads. Inboard bulkheads may
Bombers - 90 mi at 30, 000 ft;
be used for mounting if they are braced to
60 mi at 10, 000 ft
prevent vibration from gunfire.
Fighters - 40 mi at 10, 000 ft
Cabling Requirements: Cables must have enough
Battleships - 12 mi
slack to allow units to slide in and out of case.
Cruisers - 12 mi
Related Equipment:
Destroyers - 10 mi
Submarines - 3 mi when surfaced
SC-2: 1
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