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MR-600

Description of the radar set, tactical-technical characteristics

Figure 1: MR-600

Figure 1: MR-600

Specifications
frequency: 1 000 … 1 200 MHz
(L-band)
pulse repetition time (PRT):
pulse repetition frequency (PRF):
pulsewidth (τ):
receiving time:
dead time:
peak power:
average power:
instrumented range: 325 NM (≙ 600 km)
range resolution:
accuracy:
beamwidth:
hits per scan:
antenna rotation: 3 … 12 min⁻¹
MTBCF:
MTTR:

MR-600

The MR-600 “Voskhod” (Cyrillic: MP-600 «Восход», NATO designation: “Top Sail”) is a long-range, operating in L-band (IEEE designation) or in the D-band (NATO designation), 3D air surveillance radar using frequency diversity. Since this radar has a poor lower limit of the vertical antenna pattern, it is usually coupled with another radar for surface search. (In the picture with the MR-500 “Cleaver”, Cyrillic: MP-500 «Кливер», NATO designation: “Big Net” on the back of the MR-600 antenna.) The complex of these two radar sets is then designated MR-800 “Flag” (Cyrillic: МР-800 «Флаг», NATO designation: “Top Pair”).

The antenna, electronically stabilized against ship heeling, uses the principle of frequency-dependent beam steering. The cylindrical parabolic reflector has dimensions of 7.5 × 8.5 m. It is fed by an end-fed spirally wound waveguide with slotted radiators. To generate the required transmitter power, a five-stage amplitron amplifier is used. The switch-on time is about 6 minutes because of the tube heating.

The radar was developed starting in 1962. The prototype was tested on the missile cruiser “Moskva” beginning in 1967. The radar was introduced into the armament of the Soviet Navy in 1968. It was modernized several times and was combined with other radar sets, for example with the MR-710 “Top Steer”.