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Additional Links
The National GPS NetworkResource 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.
http://safari.oreilly.com/?x=1&mode=toc&sortKey=title&sortOrder=asc&view=& This book gathers hundreds of example router configurations all in one place. In chapter 14, the authors provide information on configuring, running, and debugging NTP on your Cisco router. This link via O'Reilly's Safari network for online publications.
www.tycho.usno.navy.mil/time.html US Naval Observatory - Provides the official source of time for the US Department of Defense and the GPS system (Global Positioning System) and standard US time. The site is an official US navy web-site.
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