GST  Copyright 1994-2000

Published on the World Wide Web by the GPS Science and Technology (GST) group, P.O. Box 3000, Boulder, Colorado 80307-3000. GST is Operated by the University Corporation for Atmospheric Research and is sponsored by the National Science Foundation and NASA. Any opinions, findings, and conclusions or recommendations expressed in this web document are those of the authors and do not necessarily reflect the views of the National Science Foundation or NASA.

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University Corporation for Atmospheric Research (UCAR).
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