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ORB 37

Description of the radar set, tactical-technical characteristics

Figure 1: ORB 37

Figure 1: ORB 37

Specifications
frequency: X-Band
pulse repetition time (PRT):
pulse repetition frequency (PRF):
pulsewidth (τ): 0.4 or 2.5 µs
receive time:
dead time:
peak power: 10 kW
average power:
instrumented range:
range resolution:
accuracy:
beamwidth:
hits per scan:
antenna rotation:
MTBCF:
MTTR:

ORB 37

ORB 37 is operating in X-Band weather and ground mapping radar developed for French C-160 Transall transport aircraft. It is derived from the ORB-31 family of radars, but is configured to fit fixed-wing aircraft, has a lower peak power, and uses a slotted flat-plate antenna.

ORB 37 carries out weather avoidance and accurate ground-mapping functions, and is fitted with an interrogation facility for beacon homing. There are two scan modes: low rate in the weather mode and at high rate when ground-mapping.

The ORB-37 has seven LRUs. These include the antenna, a transreceiver, power supply, an analog parallel peripheral interface at the operator's station particularly suited for ground mapping, as well as a digital PPI scope on the flight deck, and flight deck and navigator station control units.