Comparison of IRDAM7000 and WS800UMB meteorological stations

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Create Date Friday February 22nd, 2019
Last Updated 2019-04-26

We compare readouts from IRDAM7000 weather station with the new WS800 weather station installed in the nearby location. We briefly  discuss readout differences and possible biases of the old IRDAM7000  station.

Finally, we discuss installation and software settings. The most  significant difference is that IRDAM7000 underestimates relative  humidity (RH) by up to 25% and absolute atmospheric pressure is  biased low by 1.75 mbar on the average while temperature and wind speed measurements do not show significant systematic biases.

Impact on weather dependent refraction is discussed.