1L121E Mobile 3-D Radar © OJSC Almaz-Antey Concern

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