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Advantages of TWS Radar | disadvantages of TWS Radar

This page covers advantages and disadvantages of TWS Radar. It mentions TWS Radar advantages or benefits and TWS Radar disadvantages or drawbacks. It also describes TWS Radar basics.

What is TWS Radar?

The word TWS stands for Tracking While Scan. It is used for searching and tracking. The scanning is done using single narrow beam or with fan beam based on required scan sector.

Though it can be used to scan multiple targets, to achieve higher accuracy STT (Single Target Tracker) radar type is preferred.

TWS technique with limited scan sector is used in PAR (Precision Approach Radar) and GCA (Ground Controlled Approach) radars. These radars are used to guide aircrafts for landing. It can be replaced by ADT (Automatic Detection and Track) in modern systems.

Following are the applications of TWS radar.
• It is used in PAR and GCA radars.
• It is used for weapon control in surface to air missile systems.

Benefits or advantages of TWS Radar

Following are the benefits or advantages of TWS Radar:
➨The TWS radar tracks multiple targets simultaneously.
➨It is used in air defense systems.
➨It shares its energy over region of space for its operation.
➨It is useful to control weapons in surface to air missile radars.

Drawbacks or disadvantages of TWS Radar

Following are the disadvantages of TWS Radar:
➨Its accuracy is less compare to STT (Single Target Tracker).
➨TWS radar with fan beams are vulnerable to electronic counter measures.


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