Table 1 Specifications of the Radar System.

Operating Frequency

53 MHz with 3 MHz bandwidth

Antenna Array Type

Planar antenna array of 475 Three-element Yagi-Uda antennas

Antenna array aperture

 ~ 7000 m²

Antenna array gain and beam width

34 dBi and ~ 3.6^o

First Side lobe level

− 17.5 dB

Beam steering

Zenith: 0–40° in steps of 0.1^°

Azimuth: 0–360° in steps of 0.1^°

Total Peak transmitter power and Duty ratio

950 kW and 5% (Max)

Transmitter type

475 solid state Transmit-Receive Units each of 2 kW peak power

Range resolution

37.5 m (Max)–9.6 km (Min)

Pulse width

0.5–128 µs coded (Complementary Codes)/uncoded

Baud length 0.25–64 µs

Inter Pulse Period

125–30 ms

Receiver type

25-channel direct digital receiver

Number of coherent integrations

1–1024 in steps of binary

Number of FFT points

32–4096 in steps of binary

Number of in-coherent integrations

1–100 selectable

Number of range bins

512

Overall receiver path gain

100 dB

Mode of Operations

DBS, SAD and Interferometry