SC-5

SC-5 Installation Diagram

Type of Radar

Air Search/Surface Search

Manufacturer

General Electric

IEE Band

G Band

NATO Band

A Band

Exact Frequencies

195 – 255 MHz Transmitter
175- 225 MHz Receiver

Peak Power

200 kilowatts

Pulse Repetition Frequency (PRR/PRF)

60 pps

Pulse Length

5 microseconds

Scan Rate

5 rpm

Range Accuracy

± 200 yards

Range Resolution

500 yards

Range Accuracy

± 100 yards

Bearing Resolution

10 degrees

Bearing Accuracy

± 3°

Sweep Accuracy

20 miles

Minimum Range

1,200 yards

Performance Examples:

(Antenna at 100 foot altitude)

Bomber at 30,000 feet at 90 miles
Bomber at 10,000 feet at 60 miles
Fighter at 10,000 feet at 40 miles
Battleships/Cruisers at 12 miles
Destroyers at 10 miles
Submarines (Surfaced) at 3 miles

Maximum Instrumented Range

5” A-Scope – 400 miles
12” PPI – 200 miles

Receiver Noise

6 dB above theoretical

Receiver Gain

160 dB

Antenna Beamwidth

17 x 60 degrees

Antenna Gain

13.5 dB

Notes.

The SC-5 is similar to SC, SC-1, SC-2, SC-3, and SC-4, except that the SC-5 has a new antenna drive motor, a selenium rectifier in the control unit, and different transmitter mounting dimensions. 100 produced in 1945 as a stop gap against delays in SR production.