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GPS recievers are becoming more and more popular and even standard equipment in some vehicles. The GPS receiver uses satellites to tell you exactly where you are and how to get to a published location. They can be used with or without topographic maps. Maps are drawn to different specifications or 'datums'. Mexican topo maps are drawn to map datum 'NAD27 Mexico'. A new GPS receiver comes set to map datum 'WGS84' . The datum can easily be changed by going to 'setup', then 'units', then 'map datum' on your GPS receiver. |
Tijuana to El Rosario | |||||||||||||||||||||||
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El Rosario to L.A. Bay Highway Junction | |||||||||||||||||||||
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