You can buy a Davis weather station online from many retailers,
but there is no set location for a Davis weather station. The Davis
company which manufacturers the weather stations is located in San
Francisco, CA.
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According to Wikipedia, Davis Station is so named "... to honour
Captain John King Davis, a famous Antarctic navigator and
captain..."
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The Davis Antarctic Research Station in supported by the
government of Australia.
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Davis Station is the busiest of the Australian research stations
on Antarctica, and is occupied and in service all year.