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RDR-1200

Description of the radar set, tactical-technical characteristics

Figure 1: RDR-1200

Figure 1: RDR-1200

Specifications
frequency: 9 375 MHz
(X-band)
pulse repetition time (PRT):
pulse repetition frequency (PRF):
pulsewidth (τ):
receiving time:
dead time:
peak power: 10 kW
average power:
instrumented range: 240 NM (≙ 445 km)
range resolution:
accuracy:
beamwidth:
hits per scan:
antenna rotation:
MTBCF:
MTTR:

RDR-1200

RDR-1200 “Weathervision” is operating in the X-band airborne navigation and weather radar operating on both civilian and military aircraft along air routes. The military version got the designator AN/APS-113(V) and replaced the earlier RDR-100.

The scanner is a flat plate array of slotted waveguides plus associated circuitry for scanner stabilization and azimuth drive. The flat plate is mounted on a gimballed surface which allows rotation in response to pitch and roll signals from the aircraft vertical reference gyro compass. The radar allows selection of one of two sector scan angles (± 30° or ± 60°).

The radar was first presented at the International Paris Air Show in Le Bourget in 1975.

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