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AN/FPS-68

Description of the radar set, tactical-technical characteristics

Figure 1: AN/FPS-68

Figure 1: AN/FPS-68

Specifications
frequency: 5450 … 5650 MHz
(C-band)
pulse repetition time (PRT):
pulse repetition frequency (PRF): 324 Hz
pulsewidth (τ): 2 µs
receiving time:
dead time:
peak power: 250 … 350 kW
average power: 200 W
instrumented range: 200 NM (≙ 370 km)
range resolution:
accuracy:
beamwidth: 1.58°
hits per scan:
antenna rotation: 6 rpm
MTBCF:
MTTR:

AN/FPS-68

AN/FPS-68 was operating in the C-band local weather radar used for detecting, ranging, and plotting movements of storms and other meteorological phenomena.

The transmitter uses a magnetron of type Raytheon RK-7156. The receiver section includes a logarithmic receiver with 90 db dynamic range, a linear receiver, and automatic noise figure measurement. The weather console includes an RHI-scope, a PPI-scope, and an A-scope.

Picture gallery of AN/FPS-68

Figure 2: The radar indicator group