Description of the radar set, tactical-technical characteristics
Figure 1: Type 974
|frequency:||9 345 … 9 405 MHz
|pulse repetition time (PRT):|
|pulse repetition frequency (PRF):||1000 Hz|
|pulsewidth (τ):||0.14 or 0.26 µs|
|peak power:||7 kW|
|instrumented range:||25 NM (≙ 46 km)|
|hits per scan:|
|antenna rotation:||24 min⁻¹|
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.