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.