SG

Description:

Microwave search set installed on destroyers and larger ships to search for enemy surface ships, to coordinate attack by surface vessels, and to aid in navigation. Furnishes range and bearing on PPI and "A" scopes. SG has provisions for IFF (identification) connections, and equipment is being supplied for connecting to remote PPI's.

Performance

Reliable maximum range is 15 miles on large ships; with antenna height of about 100 feet. Range accuracy is ± 100 yds. Azimuth accuracy: ± 2°.

Transportability:

Complete shipment includes spares and testing equipment, and is crated in 15 units weighing about 4289 lbs. Largest package is 13'4" x 12" x 10" and weighs 359 lbs. Heaviest package (1425 lbs.) is 28" x 41" x 80".

Installation:

SG has 5 components weighing approximately 2200 lbs. Heaviest unit (1180 lbs.) is the transmitter-receiver – 73 7/8" x 34" x 22 3/8". Antenna, which weighs 350 lbs. with pedestal and measures 44" x 49.5" in diameter, should be mounted as high as possible, preferably more than 100 feet above water and above adjacent superstructure.

Personnel:

One man per shift is minimum requirement.

Power:

Primary power required is 115 volts, 60 cycles: 2.8 KVA. Source is ship's main line.