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1L121E Mobile 3-D Radar © OJSC Almaz-Antey Concern
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With a 90-degree elevation scan sector and on-time-move surveillance capability.

 

This mobile sensor features a high rate of radar data output to antiaircraft defences and systems for protection against precision weapons © OJSC Almaz-Antey Concern
This mobile sensor features a high rate of radar data output to antiaircraft defences and systems for protection against precision weapons © OJSC Almaz-Antey Concern



 DUTY
- detection and tracking of airborne targets including low
-level small UAVs;
- radar data output to air defence facilities and means of protection against precision weapons

CAPABILITIES
- target acquisition and measurement of target coordinates (azimuth, elevation, slant range) and velocity
- classification of detected targets by degree of threat to the defended asset
- secondary processing of target data
- identification friend-or-foe
- location of jammers
- data output to external users

FEATURES
- two surveillance modes:
90° elevation scanning
60° elevation scanning
- solid-state, active phased-array antenna
- rotating antenna-and-equipment assembly
- built-in IFF subsystem
- high mobility
- operational capability on the move




Technical specifications

DESIGNER OJSC ALMAZ-ANTEY CONCERN
COUNTRY Russia
TYPE
Mobile 3-D Radar
CREW 3
Frequency band UHF
Coverage: range  
- 90° scan mode 2-10 km
- 60° scan mode 5-90 km
- azimuth 360 deg
- range rate 50-800 m/s
Target position measurement accuracy)  
- range 100 m
- azimuth 1 deg
- elevation 1 deg
Resolving capacity for two targets of the same RCS  
- range 300 m
- azimuth 20 deg
- elevation 20 deg
Ground clutter suppression at least 45 dB
Maximum target processing capacity 64 tracks
Data rate 2/4 s
Airborne target classes identified 4
Radar readiness time, on the move 2 min
Stream crossing speed 5 km/h