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JMA-610

Description of the radar set, tactical-technical characteristics

Figure 1: JMA-610 on a boat of the Vienna Water Police

Figure 1: JMA-610 on a boat of the Vienna Water Police
(with courtesy) © 2020 Andreas Loy

Specifications
frequency: 9 410 ± 30 MHz
(X-Band)
pulse repetition time (PRT):
pulse repetition frequency (PRF): 4, 2, 1 kHz
pulsewidth (τ): 0.05, 0.1, 0.3, 0.6 µs
receive time:
dead time:
peak power: 4.9 … 6 kW
average power: 2.4 W
instrumented range: 32 km
range resolution: < 15 m
accuracy: 1.5%
beamwidth: 1° (7 ft-antenna)
hits per scan:
antenna rotation: 26, 36 or 48 min-1
MTBCF:
MTTR:

JMA-610

The Riverradar JMA-610 is an X-Band navigation radar for river navigation.

It is a classic pulse radar with a magnetron transmitter and extremely short transmission pulses for good range resolution. The antenna is a waveguide with horizontally polarized slot radiators, in either 6, 7 or 9 feet width.