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C-Band Dopplerradar

Doppler radar at KIT campus north (Photo: Handwerker/Gysi)

Measurements of the radar are available at: http://www.imk-radar.de/frei.html

Specifications

Device Type:

Dual polarized C-Band Doppler Radar

DWSR-2501C

Manufacturer:

EEC, Enterprise, Alabama, USA

Location:

Institute for Meteorology and Climate Research, KIT campus north

Geographic coordinates:

8 deg 26' 13" E ; 49 deg 5' 33" N
148 meters above sea level, 38 meters above ground.

Gauss-Krüger:

3458.6 E; 5439.6 N

Frequency:

5610 MHz

Wavelength:

5.3 cm

Peak pulse power:

250 kW (84 dBm)

Pulse repetition rate:

250 bis 1180 Hz

Pulse duration:

0.4µs, 0.8 µs, 1.0 µs or 2.0 µs

Beamwidth at -3 dB:

0.98 deg (main lobe)

Antenna diameter:

4.2 m

Gain:

45.7 dB

Sensitivity (MDS):

-111 dBm

Range:

120 km for volume measurements
200 km for overview PPI

Measured values:

Reflectivity (Z), radial Wind (V), spectral width (W), Differential Reflektivity (ZDR), Differential Phase (PhiDP), Spezific Differential Phase (KDP), Copolar Correlation Coefficient (RhoHV), Linear Depolarisation Ratio (LDR)

Derived values

Precipitation intensity, vertical liquid content,
wind profile, hydrometeor classification

Clutter suppression:

high pass Doppler Filter

Scan mode (cyclically every 10 minutes):

1. Full volume with 14 elevations at 0.4, 1.1,
2.0, 3.0, 4.5, 6.0, 7.5, 9.0, 11.0, 13.0, 16.0, 20.0, 24.0, and
30.0 degrees, 120 km range, SIDPOL mode
2. PPI (Z) at 1.0 degrees, 200 km radius, SIDPOL mode
3. Another volumscan with 14 elevations, SIDPOL mode

4. Small valume scan with lowest 5 elevations, LDR mode

Resolution radial:

500 m

Resolution azimuthal:

1.0 degree

Derived products:

500 m x 500 m