Indian Radars Information Repository

porky_kicker

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This thread will contain information on all Indian radars and corresponding systems currently deployed or under development.

I aim it to be an exhaustive resource

After I post all available information , I will open the thread to collaborators who will maintain and edit as they deem fit .

Note : anybody sourcing information from this thread in other forums , blogs , twitter etc is adviced to post a link back to this thread. It is always nice to show respect for the effort of others.

Note : Picture CREDIT of all the pictures posted here lies with the respective owners.
 
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porky_kicker

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3D C/D band air surveillance radar on a HMV

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A new mobile radar system based on BEL 3D C/D Band Air Surveillance Radar which was revealed during Defence Expo 2018.

It is a Multi-Function Active Phased Array Radar with Solid state Transceiver for Land and Naval applications.

The Radar provides 3 dimensional target data along with Doppler data.

The Radar employs multi-beam in elevation, mono pulse in azimuth, Digital Pulse compression, Pulse Doppler and many Advanced and contemporary Technologies, with very elegant and modular architecture.

These technologies enable detection of very low RCS targets from complex land clutter and jamming environment.

Current status : development finished
 
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MMSR - Multi Mode Surveillance Radar by DRDO

Highly compact system with all subsystems packed onto one high mobility vehicle itself.

Range: 0-80Km, 100 Target track, high scan rate (30 rpm), high elevation angles (-15 to 75 degree)

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Current status : unknown
 

porky_kicker

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Battery Surveillance Radar ( BSR )

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It is a C band GaN tech based state of the art active phased array radar which uses advanced signal processing and data processing algorithms to detect and track fixed wing aircrafts including UAVs as well as rotary wing aircrafts including hovering helicopters in intense EW environment.

The Radar uses advanced platform motion compensation and electronic stabilization algorithms along with high accuracy motion sensors. It can search, track and acquire targets on the move .

Range is 120 km for 2 m2.
Altitude is 30 m to 6 km.

The radar and IFF ( interrogator friend or foe ) system is mounted on a 8x8 HMV with integrated on board power and cooling system and are capable of operating on the move in plains, deserts and semi deserts.

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What is unique about this radar system is that the radar panels are flush with the vehicle body. This makes the radar system unique among its contemporaries. From a distance it will look like just a ordinary truck.

One can see 2 radars and 2 IFF antennas one each on the front and rear end of the vehicle and 2 radars and 2 IFF antennas at the either of the HMV. This also provides for full 360 degree coverage.

Current status : development finished , user trials reportedly over
 
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Experimental radar testbed ( ERT )

The experimental radar testbed ( ERT ) is DRDOs first attempt at developing niche adaptive beamforming radar technologies which allows the radar beam to be “shaped” and focused in particular directions for enhancing specific range/detection characteristics.

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porky_kicker

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Ka band active radar seeker

The active radar seeker is for use in the AD program of Indian BMD.

The radar comprises of a Ka band transmitter and a 3 channel monopulse receiver. A monopulse radar has the advantage of high speed , high accuracy and target estimation using a single pulse.

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It's characteristics are

Automatic frequency control
Direct digital synthesizer
Digital signal processor
High refresh rate of range and angle info
Stabilized and gimbaled

Current status : operational
 
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DRDO HIGH POWER RADAR (HPR)

The HPR is an Active Aperture Phased Array radar based on solid state Transrecieve Modules. It will have 4 large fixed radar panels and one rotating IFF antenna. Additionally necessary SATCOM and communication antennas will be installed to enable network centric operations.

The Active Phased Array technology allows electronic scanning in azimuth as well as elevation. These radars have non-rotating design with planar arrays and provide 360 degree coverage without the requirement of mechanical rotation. There is seamless transition of tracks from one planar array to another planar array.

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The HPR is able to detect targets of 2m2 RCS at a distance of more than 450 km. The radar will classify targets automatically and it has organic ECCM features.It is able to resolve targets in four dimensions (4D) namely Range, Azimuth, Height and Doppler Velocity.

The radar is equipped with ICAO & STANAG 4193 compliant IFF ( interrogator friend or foe ) system with provisions to operate independent of primary radar.

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The radar will be installed and integrated at high altitudes deployment sites. It is capable of being sited up to an altitude of 3000m Above Mean Sea Level. It can withstand severe environment conditions and will also be integrated to the IACCS Network of IAF.

Sanction was given for initial 12 HPR radars in order to develop the same for providing long range, medium and high altitude cover while detecting and tracking low and high speed airborne targets.

Technologically superior, the radars will have the capability to scan 360 degrees without mechanical rotation of antenna and will operate on 24X7 basis with minimal maintenance requirements.

These HPR radar site's will also have associated self defence systems both passive and active inorder to combat threats from PGMs , LGBs , cruise missiles etc

Current status : under development
 
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Battery Multi Function Radar ( BMFR )

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It is a X band GaN tech based state of the art active phased array radar which uses advanced signal processing and data processing algorithms to detect and track fixed wing aircrafts including UAVs as well as rotary wing aircrafts including hovering helicopters in intense EW environment.

The Radar uses advanced platform motion compensation and electronic stabilization algorithms along with high accuracy motion sensors. It can search, track and acquire targets on the move .

Range is 80 km for 2 m2.
Altitude is 30 m to 6 km.

The BMFR also includes a 2 axis Stabilized Electro Optical Sight (SEOS) that can passively acquire targets up to 40 km away. The SEOS, comprises of a laser range finder, CCD camera, thermal imager and a automatic video tracker.

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The radar and IFF system is mounted on a 8x8 HMV with integrated on board power and cooling system and are capable of operating on the move in plains, deserts and semi deserts.

What is unique about this radar system is that the radar panels are flush with the vehicle body. This makes the radar system unique among its contemporaries. From a distance it will look like just a ordinary truck.

One can see 2 radars and 2 IFF antennas one each on the front and rear end of the vehicle and 2 radars and 2 IFF antennas at the either of the HMV. This also provides for full 360 degree coverage.

Current status : development finished , user trials reportedly over
 
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porky_kicker

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Air Defence Tactical Control Radar (ADTCR)

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It is a S band fully distributed active phased array radar mounted on a 8x8 HMV and is meant to be used for volumetric surveillance, detection, tracking and friend/foe identification of aerial targets of different types, and transmission of prioritised target data to multiple command posts/ weapon systems. It has fully automated surveillance and tracking capability.

Range 90 km (1 m2) and 60 km (.1 m2)
Altitude 10 km
No of tracks 100

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The radar is capable of detecting very small targets and low flying targets. The system employs Active Phased Array Technology with Digital Beam Forming, distributed Digital Receivers and IFF ( interrogator friend or foe ) Mark XII.

The Radar System, power and cooling systems, operator shelter, communication equipment etc. is configured on 2 8x8 High Mobility Vehicles.

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The Radar can be deployed in plain lands, deserts and in the mountain regions for the purpose of tactical early warning for Ground based Weapon Systems. High altitude deployment at upto 4500m . It is road, rail and air transportable.

Current status : development completed
 
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ATULYA Air Defence Fire Control Radar (ADFCR)

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Air Defence Fire Control Radar (ADFCR) in conjunction with Anti Aircraft Artillery forms a Ground Based Air Defence system whose main purpose is effective point defence against air threats at short and very short ranges during day and night under all weather conditions and in the presence of heavy enemy jamming ( ECM ).

The system comprises of

1. X-Band Active Array Antenna based 3D Search Radar

2. Ka Band Tracking Radar

3. Electro Optical Sensors for passive 2D tracking and LRF for Radar independent ranging

All the above and including the Gun Control Unit, Power Generator, and a suitably equipped Commander's cabin is mounted on a single High Mobility Vehicle.

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X band search radar
Detection range 40/20 km for 1/.1 m2 target
Altitude 30 m to 10 km

Ka band track radar
Detection range 20/10 km for 1/.1 m2 target

EO system
TV/TI camera 12/10 km for fighters/helicopters
LRF 12 km


The system is capable of controlling more than two AAA guns simultaneously. Operational altitude 10000 feet.

Current status : development completed
 
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L&T ADFCR (air defence fire control radar)

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It is a state of the art, mobile, compact and user friendly fire control radar for AAA.

The ADFCR radar system consists of a one three dimensional (3D) Surveillance radar and one Tracking radar systems, Electro Optical (EO) sensor for passive tracking, a Command & Control Station (including Weapon Control Unit) and an integral power supply system.

The 3D surveillance radar is a land-based version of Airbus's TRS-3D radar, offered in cooperation with L&T. The tracking radar is the Elta's ELM 2026B very short range air defence radar system.

The AFDCR is able to transmit data to MANPADs in a range of 8km over line and radio. The entire system is mounted on a single trailer in a modular configuration with its own captive power supply. The system can self-sustain for up to 8 hours. A NBC air-conditioned shelter is provided for the personnel as well as electronics.

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Key features:

  1. Surveillance and tracking of aerial & sea targets
  2. Passive Tracking by EO system & LRF
  3. Trailer mounted and hauled by a prime mover
  4. Retractable Antenna for transportation
  5. Threat Evaluation & Weapon Assignment
  6. Computing control and firing from two guns
  7. Automatic levelling arrangement with accuracy better than spatial angle of ± 0.5º
  8. Gun Simulator & Target simulator for both Surveillance & Track Radar for operator training
  9. Transmit 3D target data to remote firing posts (>8 km) over line and radio
  10. Provision to accept & compensate MET & muzzle velocity data
  11. Recording of 4 hours of time tagged computer activities
  12. North finder with GPS
Current status : development completed
 

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SWATHI Weapon Locating Radar (WLR)

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Weapon Locating Radar (WLR) is an electronically scanned phased array radar. The radar automatically locates hostile artillery, mortars and rocket launchers and tracks friendly fire to locate the impact point of friendly artillery fire to issue necessary corrections.

It is derived from the Rajendra Radar (which is the fire control radar for the Akash missile system).

The radar is designed to detect projectiles with small cross section across the battle space horizon, and has the capability to handle simultaneous fire from weapons deployed at multiple locations.

On detecting an incoming hostile round, the radar automatically acquires and classifies the threat and initiates a track sequence while it continues to search for new targets. Algorithms for trajectory computations use environmental factors, along with trajectory and track data, for estimating both launch and impact points to the desired accuracy. The fence concept of beam positioning, and grazing the radar air space, makes it hard for hostile projectiles without detection.

The computed launch point can be reported by the radar operator to the friendly artillery to direct counter-battery fire towards enemy artillery. Tracking of the target is achieved with mono-pulse signals and the in built pulse compression features improve the radar’s low probability of interception (LPI). Its processors perform real-time signal processing on the acquired data. An adaptive algorithm based on modified version of the Runge-Kutta method and incorporation of constant false alarm rate (CFAR) techniques aid in the accuracy of target detection. An operator can select the suitable CFAR technique for maximising accuracy of track/information. The data is processed on the state-of-the-art programmable digital signal processor using modified extended Kalman filters (one with size six states and another with seven states). Moving target indication (MTI) aids to improve the clutter rejection performance of the radar.

The radar uses advanced signal processing techniques for detection and tracking projectiles in the presence of ground, weather clutter and other forms of interference in EW scenario. Algorithms for trajectory computation take environmental parameters into consideration while estimating both launch and impact points for desired accuracy.

The radar is designed for high mobility, quick deployment and decamp. The physical profile consists of radar shelter, antenna and cooling mechanisms which are placed on a slewable platform.

System is designed to survive physical rigours of battlefield and soft hostile electronic warfare.

It has 2 versions

1. Weapon Locating Radar MK1 for plains

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Radar vehicle

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Power source cum BITE vehicle

2. Weapon Locating Radar MK2 for mountains

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Radar vehicle

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Command cum power source cum BITE vehicle
 
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