RU / OPFOR Big Bird TR (RWR: BB)

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//Public Intel-Report
Last updated: 20230420

RWR: BB
THREAT: HIGH

ASSOCIATED SAM: S-300 / SA-10

In-DCS Unit View:

1682020268096.png



Originators Designation: 91N6
NATO Reporting Name: Big Bird
Description:
Operating in the S-Band surveillance and tracking radar developed for the SA-21 “Growler” surface-to-air missile system (Russian designator: S-400 “Triumf”). Basically, the 91N6E is an upgraded variant of the 64N6E radar (NATO-designator “Tombstone”) with the same antenna design but higher transmitter power. Its digital signal processing can detect up to 300 targets.

The radar is placed in two containers, one fixed with the radar electronic and the indicators, the second with the transmitters, receivers and the antennas. The main antenna is a reflection type of space feeded phased-array antenna using 2 700 phase shifters. Two main antennas are mounted back-to-back with beam scanning in two planes. The radar offers different operating modes for maximum adaptation to combat conditions, e.g. continuous antenna rotation, sector view, stopped antenna drive and additional antenna tilt. The 64N6E incorporates additional auxiliary antenna/receiver channels for suppression of sidelobe jammers. An IFF-System is incorporated.

Known modifications:
  • 91N6 - intended for maintenance with SA-10A “Grumble” (Russian designator: S-300) and SA-21 “Growler” (Russian designator: S-400 “Triumf”) SAM-systems, developed in 1978;
  • 91N6A - modernized for use in S-400M “Triumf” SAM-systems, developed in the mid-80s;
  • 91N6М - modernized for future use in S-500 “Prometheus” SAM-systems (maximum range: 640 km);
  • 91N6E - variant for export, without the Russian IFF and possibly reduced combat characteristics.

Specifications:
Max Engagement Range:160nm
Max Engagement Height:-
Min Engagement Height:-
Max Speed:-
ECM Burn Through-
Warhead WeightN/A

Defensive Maneuvers:

HARM ALIC Codes:

HQ-7 Track Radar-
HQ-7 Search Radar104
 
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