What is the Arudhra Radar?

About Arudhra Radar:

• Arudhra is a Medium Power Radar (MPR) designed and developed by the Defence Research and Development Organisation (DRDO).
• It will be manufactured by BEL.
• Features:
  • It is a 4D multi-function phased array radar with electronic steering in both azimuth (angular position from a reference direction) and elevation for surveillance, detection, and tracking of aerial targets.
  • It features a rotating active phased array antenna with solid state transceiver modules operating in S-band (2-4GHz).
  • The transceiver modules (TRM) are based on the antenna array itself, leading to high receiver sensitivity, enabling the radar to detect low observable targets at a long range.
  • It can track a small fighter-sized target as far as 300km at an altitude between 100 meters to 30 km. 
  • Arudhra is fully programmable from the local Operator Work Station and from the remote Operator Work Station Unit. 
  • Arudhra being a 4D radar, can determine the range (straight distance from radar), azimuth (angular position from a reference direction), altitude (distance from the ground), as well as velocity vector (representation of the direction of motion) of a target.

Q1) What is Bharat Electronics Limited (BEL)?

Bharat Electronics Limited is an Indian state-owned aerospace and defence company with about nine factories, and several regional offices in India. It is owned by the Indian Government and primarily manufactures advanced electronic products for the Indian Armed Forces.

Source: Defence Ministry signs ₹3,700-crore contracts for radars, radar warning receivers

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