MIL-HDBK- 163A
Volume 1
15 December 1965
Section3
DATE: 1 July 1964
ITEM NAME: RADAR EQUIPMENT
COGNIZANT SERVICE: USN
TYPE: SG-3
FEDERAL STOCK NUMBER: F5840-665-3729
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Obsoles
Mfg(s) Name or Code Number: Raytheon Mfg. Co.
FUNCTIONAL DESCRIPTION
RELATION TO SIMILAR EQUIPMENT
The SG-3 is similar to the SG-4, differing only in the
Radar Equipment SG-3 is a high-power
antenna used.
surfacescanning equipment designed for installation on
vessels having a 220or 440-volt, 60 cycle, three phase
TECHNICAL DESCRIPTION
power supply and a 1- and 36-speed synchro system.
Targets on or near the surface of the water are
Frequency: 3400 to 3700 mc
presented on the screens of a range scope and a PPI.
Peak Power Output: 300 to 500 kw (approx)
The SG-3 provides anti-jam features, automatic tuning of
Pulse Repetition Rate: 750 pps
Pulse Width: 0.33 or 1.25 sec
the local oscillator in the receiver, and a large antenna
reflector.
SG-3: 1
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