Type 903
Description of the radar set, tactical-technical characteristics
Figure 1: MRS3 fire control director with the Type 903 tracking radar mounted.
Sperry Corporation (1910-1986)
| Specifications | |
|---|---|
| frequency: | 8 500 … 9 600 MHz
(X-Band) |
| pulse repetition time (PRT): | |
| pulse repetition frequency (PRF): | 3000 Hz |
| pulsewidth (τ): | 0.1 µs |
| receiving time: | |
| dead time: | |
| peak power: | 50 kW |
| average power: | |
| instrumented range: | 15 NM (≙ 28 km) |
| range resolution: | |
| accuracy: | |
| beamwidth: | |
| hits per scan: | |
| antenna rotation: | |
| MTBCF: | |
| MTTR: | |
Type 903
Type 903 was operating in X-Band naval fire control radar using a conical scan.
The antenna was a symmetrical parabolic reflector with a diameter of 4 feet (120 cm) fed by a Cutler-feed. The antenna was mounted to the gunnery director and moving with it.