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Comment Re:Why alternatives? (Score 5, Interesting) 177

For those of us in land surveying, having another few satelites is very important if your in a hurry. My current equipment (Topcon Hiper-lite) can obtain accuracy of less than 1 cm in less than 2 minutes just using the US GPS satelites and more accurate in less time using both US GPS and Russian GLONASS. Also, here are a few other interesting facts associated with GPS for Surveyors (who need sub-centimeter accuracy) 1) The more satelites the better (and my equipment which happens to be rebadged JAVAD) has been getting signals from GPS and GLONASS for a few years already, 2) The US stopped encoding the GPS signals under executive directive a year or more ago, and 3) The Eurpoean Union is working to put up their own GPS network which the latest generation of commercial survey grade receivers are already prepared for. So, for those of us whose business requires GPS, the article seems to be more about political posturing and less about anything new system-wise.

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