Doppler Weather Radar - METNET - India Meteorological Department

(13) DAU Analog Status: This unit contains the parameters: Shelter Temperature, Tx Exhaust
Temperature, Radome Temperature, Tx RF Avg. Power, Antenna Avg. Power, DAU Test0,
DAU Test1, DAU Test2, Pedestal 15V PS, Pedestal 5V PS, Pedestal -15V PS, DAU 15V PS,
DAU 5V PS, DAU 28V PS, DAU -15V PS. This unit can be seen in Screenshot 7.
Screenshot 7: DAU Analog Status
Screenshot 8: Histogram of Tx RF Avg Power
All the BITE units and corresponding parameters are active buttons. On right-clicking any
of these buttons in the sub-panels, its corresponding histogram (as shown in the above
screenshot 8) is displayed, as a time series for ten minutes duration till that particular minute, in a
new window. The graphical display can be a valuable tool when assessing the frequency and
endurance of faults. The time scale for viewing the histogram is adjustable from 10 minutes to 96
hours using the Time Span slider. The y-axis scale for analog output is also adjustable with the
Vertical Span slider. Each circle represents the time a status packet was received. The graphical
display may be printed to a printer or file. A new log file is generated each day at midnight and
saved in a file. An IRIS setup question allows the operator to choose how many days of antenna
log files to retain at any given time. Keeping old log files preserved is helpful for post analysis of
problems.
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