Upgrade of 9А33–1B combat vehicle “ОSА–1B”:
• Upgrade of television-optical view finder.
• Upgrade of target tracking station.
• Upgrade of missiles view finding station.
• Equipping combat vehicle with air-conditioning and heating system.
• Upgrade of target detection radar.
• Upgrade of launchers.
• Upgrade of mechanic-driver panel. Introduction of information-control system.
• Upgrade of equipment of operator’s compartment, introduction of commander’s work station into composition of the equipment.
Upgrade of target detection radar (TDR):
• Conversion of receive path to modern element base.
• Introduction of magnetron’s carrying frequency agility for protection against active noise jams.
• Conversion of signal processing path to modern digital hardware base.
• Application of new algorithms protecting against masking, non-synchronous and repeater pulse jams.
• Increase of operation range of TDR including against targets with effective radar cross-section area of about 0,1 m2.
• Improvement of distance and azimuth resolution.
• Use of modern displays.