AIRS

Frequently Asked Questions


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Q.  There is a attribute field containing the time of observation in hours,
minutes and seconds in the HDF files. Does this time specification refer
to the local time zone?  

A.  The date and time in the data product file are Universal Time.

The Aqua platform is in a sun-synchronous near-polar orbit. The
satellite crosses the equator in a northbound direction at
approximately 1:30 PM local time and in a southbound direction at
approximately 1:30 AM local time.

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