Re: New Scientist article

From: (Duane F Marble)
Organization: The Ohio State University
Date:         09 Dec 92 18:45:33 PST
References:   1
Followups:    1
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A small point with respect to the material quoted from the New
Scientist: Global Positioning System (GPS) birds do not "observe"
anything, they just permit a ground based unit to compute it's
Duane F. Marble			       E-mail:
Department of Geography                Telephone: (614) 292-2250
The Ohio State University
Columbus, Ohio 43210                   Fax: (614) 292-6213