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From: lharris@ersys.edmonton.ab.ca (Leonard Harris)
Newsgroups: sci.electronics
Subject: GPS system receiver
Message-ID: <0iP121w164w@ersys.edmonton.ab.ca>
Date: 16 May 91 02:17:08 GMT
Organization: Edmonton Remote Systems, Edmonton, AB, Canada
Lines: 9

Hi.  Does anyone know what would be involved in building your
own global positioning satellite receiver?.  i know the frequencies 
they transmit on, but what data does it send.  Also more than one 
satellite has to be interrogated to calculate position.
Any ideas?
thanks /len

Leonard Harris              lharris@ersys.edmonton.ab.ca
Edmonton Remote Systems:  Serving Northern Alberta since 1982