Hello, here I m providing you the details of the Weapon Locating Radar of DRDO as under:

About the radar:
The BEL Weapon Locating Radar (WLR) is a mobile artillery locating phased array radar developed by India. This counter-battery radar is designed to detect and track incoming artillery and rocket fire to determine the point of origin for Counter-battery fire.

Performance:
Range:
>81 mm Mortars: 2–20 km
>105 mm Guns: 2–30 km
Unguided Rockets: 4–40 km
Elevation Coverage: -5 to 75°
Azimuth Coverage: +/- 45° mean settable bearing
Slewability: +/- 135° within 30 seconds.
Targets Tracking: 7 simultaneously (maximum)
Firing angles: Both High & Low
Aspect Angles: 0-180°

Technical specifications:
Instrumented Range: 50 km
Frequency Band: C band
Probability of:
Detection: 0.9
False Alarm: 10−6
Weapon Locations: 99 stored (maximum)
Digital Map Storage: 100 x 100 km

Environmental specifications:
Operating temperature: -20 to +55°C
Storage Temperature: -40 to +70°C
Damp Heat: 95% RH at 40°C
Operational Altitude: Up to 16,000 feet (4,900 m)

Platform
The WLR is configured on a wheeled Tatra 8x8 truck platform. The trucks are manufactured by BEML in India under license.