Doppler Weather Radar - METNET - India Meteorological Department
Doppler Weather Radar - METNET - India Meteorological Department
Doppler Weather Radar - METNET - India Meteorological Department
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e. Elevation limits -- Upper and lower limit-switches for elevation limit protection with hard<br />
stops.<br />
f. Elevation Accuracy - 0.2 degrees or better.<br />
g. Elevation resolution - 0.1 degrees.<br />
1.5.3. Scan Modes<br />
1.5.3.1. PPI Mode<br />
a. Continuous : Continuous azimuth rotation at any Selectable elevation angle.<br />
b. Sector : Sector scan with selectable width and centre angle.<br />
c. Volume : Volume scan at selected elevation steps.<br />
1.5.3.2. RHI Mode<br />
a. Automatic : Automatic RHI Scanning at selected azimuth angle.<br />
b. Manual : Manual control of any azimuth and elevation angle at selected elevation PPI<br />
Scan and at selected azimuth RHI Scan.<br />
B.1.6 Radome<br />
a. Type Foam sandwich rigid spherical curved panel.<br />
b. Color White<br />
c. Size Compatible with the dish supplied. Shall have adequate space for<br />
maintenance personnel to enter and work conveniently.<br />
d. Wind load Average 200 km /hr and gusty 300 km/hr<br />
e. Transmission loss less than 0.15 dB (one way)<br />
f. Lightening Protection Lightning rod with dual ground wires<br />
g. Obstruction lights Twin Light System with solar powered auto switch<br />
h. Entry one door and entry from bottom<br />
i. Ventilation Three ventilators protected from entry of rain water, Insects and<br />
rodents.<br />
j. Ladder Approachable to Obstruction lights.<br />
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