Thomas Hellström © 2003
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Referenser
vTillverkare:
vwww.trimble.com
vwww.novatel.com
vwww.ashtech.com
vwww.garmin.com 
vwww.furuno.com 
vwww.leica-gps.com 
vwww.raymarine.com 
vwww.jcair.com 
vhttp://www.newlandgeographic.com
v
Information:
vwww.mercat.com/QUEST/HowWorks.htm
vwww.trimble.com/gps/
vhttp://www.mercat.com/QUEST/gpstutor.htm
vhttp://www.topconps.com/gpstutorial/TOC.html
vhttp://www.aero.org/publications/GPSPRIMER/
vPositioning Systems in Intelligent Transportation Systems, Chris Drane, Chris Rizos, 1998.