Central acquisition radar (3D-CAR)

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3-dimensional central acquisition radar (3D-CAR)
Rohini radar.jpg
Rohini radar of IAF
Country of origin India
Manufacturer Bharat Electronics Limited
Designer Defence Research and Development Organisation
Electronics and Radar Development Establishment
Type Primary surveillance radar
Frequency S band
Rangegreater than 200 km (120 mi) [1]
Altitude18 kilometres (11 mi)
Other NamesROHINI
REVATHI

The central acquisition radar (3D-CAR) is a 3D radar developed by DRDO for use with Akash SAM capable of tracking 150 targets.

Contents

Details

Central acquisition radar (CAR) is a medium-range high-resolution 3D surveillance radar. Central acquisition radar was designed by LRDE, a DRDO laboratory, and is produced by a joint venture between BEL, Larsen & Toubro, Astra Microwave and Entec. The radar employs a planar array antenna and provides simultaneous multi-beam coverage. It can handle 150 targets in track while scan mode and has a range of more than 200 km and up to 18 km altitude.

Features

These features relate to the 3D CAR radar. Specifications for the Rohini, 3D TCR and Revathi are available in the links below.

Variants

DRDO has further developed its into three variants which are:

Rohini

The Rohini radar is mounted on a modified TATRA heavy truck and supported by a mobile auxiliary power unit. The TATRA is license manufactured by Bharat Earth Movers Limited (BEML). [2]

Revathi

Revathi is the ship-borne secondary surveillance radar especially designed for the navy to search the air and sea target. The radar can auto track up to 150 targets including tracking. There are three Antenna Rotation Rates (ARR) of 6, 12, 24 RPMs. The radar has ECCM features. [3] [4]
Revathi radar is used to equip the 4 Kamorta-class corvettes.

3D TCR

It has been developed for Indian Army, [5] with a tracking range of 90 km. The radar has a lower antenna mount and is packaged in two vehicles instead of three for the Rohini. It can also feed data to a weapons station 20 km away. It is currently in service.

Current status

BEL anticipates a requirement for 100 Rohini radars. BEL delivered the first ROHINI to the Indian Air Force on August 6, 2008. Around 20 radars can be manufactured annually. [6]

The ROHINI has a new Indian-developed antenna which is more advanced than that on the original CAR terms of power handling and beam forming technology.

Seven Rohinis were initially ordered by the Indian Air Force for their radar modernization program. The IAF then ordered 30 more radars after evaluation, making total orders 37 of the type.

The IAF has ordered eight Akash SAM squadrons, and the ROHINIs act as the central early warning system for an Akash squadron deployment.

The Revathi adds two axis stabilization for operation in naval conditions, as well as extra naval modes.

Additional orders are also expected from the Indian Army if they order the Akash (missile) system.

As of 2022 the Sri Lanka Air Force is planning to purchase of two Rohini Radar systems. [7]

Armenia placed an order for 15 Akash missile system for an order of ₹ 6,000 crore (US$750 million). The delivery of the system is expected to take begin from Q2 2024. [8] [9] [10]

Myanmar Navy's frigate Sin Phyu Shin (F14) was spotted with the Revathi radar during Milan 2024 naval exercise.

Operators

Central acquisition radar (3D-CAR)
3d-CAR operators as of 2024.
Blue – Current, Green – Future

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References

  1. ↑ "Raksha Mantri to commission 'INS Kamorta'". Indian Navy . 20 Aug 2014.
  2. ↑ "Rohini". Deagel. Retrieved 20 July 2021.
  3. ↑ "3D Surveillance Radar for Indian Navy -Revathi". DRDO. New Delhi . Retrieved 20 July 2021.
  4. ↑ "Revathi Radar". DRDO. New Delhi. Archived from the original on 27 August 2021. Retrieved 20 July 2021.
  5. ↑ "3D Central Acquisition Radar". India Science and Technology. Retrieved 19 July 2021.
  6. ↑ BEL Hands Over State of The Art ‘Rohini’ Radar to IAF
  7. 1 2 "Annual Performance Report for the year 2022 Sri Lanka Air Force" (PDF). parliament.lk. Parliament of Sri Lanka. Retrieved 25 October 2023.
  8. ↑ Rath, Anuvesh (18 December 2023). "Indian defence triumph: Bharat Dynamics secures major deal from Armenia amidst global achievements, say sources". Zee Business. Retrieved 19 December 2023.
  9. 1 2 Dubey, Ajit (19 December 2023). "After Armenia order, Philippines, Brazil, Egypt showing interest in Akash air defence missile system". ANI. Retrieved 19 December 2023.
  10. 1 2 Pubby, Manu (2023-12-20). "India to Export Air Defence System to Armenia". Economic Times.
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