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)
|frequency:||8 500 … 9 600 MHz
|pulse repetition time (PRT):|
|pulse repetition frequency (PRF):||3000 Hz|
|pulsewidth (τ):||0.1 µs|
|peak power:||50 kW|
|instrumented range:||15 NM (≙ 28 km)|
|hits per scan:|
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.