Type 974
Description of the radar set, tactical-technical characteristics
Figure 1: Type 974
| Specifications | |
|---|---|
| frequency: | 9 345 … 9 405 MHz
(X-Band) |
| pulse repetition time (PRT): | |
| pulse repetition frequency (PRF): | 1000 Hz |
| pulsewidth (τ): | 0.14 or 0.26 µs |
| receiving time: | |
| dead time: | |
| peak power: | 7 kW |
| average power: | |
| instrumented range: | 25 NM (≙ 46 km) |
| range resolution: | |
| accuracy: | 2% |
| beamwidth: | 1.6° |
| hits per scan: | |
| antenna rotation: | 24 min⁻¹ |
| MTBCF: | |
| MTTR: | |
Type 974
Type 974 is operating in the X-Band surface search radar used for pilotage and navigation. It is the Commercial Decca Marine Radar Type 12, modified for service use.
The antenna of type AKL consists of a separated for transmitting and receiving reflector unit, the pedestal unit and motor scanner drive. It houses the R.F. head including the modulator, transmitter and the R.F. section of the receiver.