Radartutorial .eu Ground Based Weather Radar DWSR-8500S
Figure 1:
E-Band
antenna
Manufacturer:
DRS Weather Systems, Inc.
The Long Range Doppler Processing S-Band Weather Radar DWSR-8500S, a Magnetron based (long life) system from the 1998 range of weather radar solutions from the EEC. The radar is comprised of a transmitter/receiver cabinet and a control rack. The radar antenna has a diameter of 4.2 m. The Radar Control Computer (RCC) provides interface to the radar functions such as antenna movement, pulse width and repetition function, BITE information and system status. The Monitoring Station is part of the radar sensor system. It consists of a software system that allows the operator to control the radar function and visualize radar output when performing system maintenance.
Some of the following technical characteristics are provided:
- Transmission frequency range: 2.7 GHz - 2.9 GHz (S-Band)
- Peak power: 850 kW
- PRF: 250 for intensity and 623,700 or 900 for Velocity
- Pulse duration: 0.8 to 2 µs
- Maximum range (supported by front-end Tools):
- 120 km - 250 km (for velocity monitoring)
- 480 km - 550 km (for intensity monitoring)
- Includes 'unfolding' processing for unambiguous detection up to 75 m/s
- Includes Extensive clutter suppression to -40 dB minimum
- Antenna: Solid surface parabolic (diameters 3.2 m to 8.2 m)
- Elevation range: -2° to +90°
- Beam width up to 0.95° at 45 dB gain (depending on antenna size)
- Dual polarisation techniques built in
Source: Leaflet