SF

Description:

Microwave set installed on destroyer escorts and lighter vessels for surface vessel search, navigation, and fire control. Provides range and true bearing on "A" and PPI scopes. Beginning with serial No. 525, sets will also be equipped for remote PPI's. There are provisions for IFF connections for identification of targets.

Performance

Estimated reliable range is 15 miles on large ship, with antenna height of about 100 ft. Range accuracy is ± (1% + 100 yds.) Azimuth accuracy is ± 2°.

Transportability:

Shipment includes spares for approximately 1500 hours. Complete shipment is packed in 13 boxes (including spare parts), the largest of which is 33" x 35" x 42". When crated, the shipment weighs 2200-2300 lbs.

Installation:

SF has 10 components, weighing a total of approximately 900 lbs. Heaviest unit (300 lbs.) is the motor generator—16.25" x 40.25" x 13.5". Antenna, which weighs 125 lbs. and measures 36.25" high by 30.75" in diameter, should be mounted as high as possible, with transmission line not exceeding 50 ft. in length.

Personnel:

Minimum operating personnel required: one per shift.

Power:

Primary power required is less than 2 KW. Source of power is 400 cycle, 115 volt DC motor generator and 440 V 3 phase AC motor. Generator is supplied with set.