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Additional Links
David L.
Wilson's GPS Accuracy Web Page Global
Positioning System Accuracy
http://www.linuxdevcenter.com/pub/a/linux/2003/01/02/ntp.html
Accurate timekeeping is vital to accurate records,
and accurate logs are the mainstay of good system
administration. Glenn Graham explains NTP (the
Network Time Protocol) and how to put it to work on
your network
http://www.gps.gov.uk/
Resource from the UK Government intended for
GPS-equipped surveyors, and Geographic Information
Systems (GIS) developers who work with Ordnance
Survey (OS) mapping. Includes the Passive Station
Database, Active Station RINEX Data, and Coordinate
Converter services.
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