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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Month<br />
Sub-System<br />
Transmitter<br />
Receiver<br />
\<br />
Nature of<br />
Préventive<br />
maintenance 1 2 3 4 5 6 7 8 9 10 11 1 2<br />
Monthly<br />
Visual Check<br />
Meter Readings<br />
Air Filter Cleaning<br />
6-monthly<br />
Klystron Rotation<br />
Performance Check<br />
Transmitter calibration<br />
Yearly<br />
HV Circuit Cleaning<br />
Interlock Function Check<br />
Voltage<br />
Power<br />
measurements<br />
HV components<br />
visual check<br />
Monthly<br />
Visual Check<br />
6-monthly<br />
Zauto / SP<br />
calibration<br />
Yearly<br />
Gain Check<br />
STALO, COHO<br />
Level Check<br />
Linearity Validation<br />
Dynamic range<br />
check<br />
Noise<br />
Figure<br />
measurement<br />
o o o o o o o o o o o o<br />
o<br />
o<br />
o o o o o o o o o o o o<br />
o<br />
o<br />
o<br />
o<br />
4.2.2 Corrective maintenance<br />
Component Replacement and Setup Procedures<br />
This section provides an overview of the replacement of those WSR-98D/S Line<br />
Replaceable Units (LRUs) which required special handling or set-up procedures. The procedures<br />
are contained in Maintenance Instructions <strong>Radar</strong> Data Acquisition (RDA) (MEHB 10-510):<br />
PART-1 and PART-2. The great majority of WSR-98D/S LRUs are either standalone, plug-in, or<br />
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