GPS makers call for users' help - KWWL - Eastern Iowa Breaking News, Weather, Closings

GPS makers call for users' help

(NBC) -- And if you use GPS to find your way home, you may need to know this, they're not always accurate.

Experts say maps on the satellite based units can be incomplete or inaccurate in some areas.

And now companies that produce GPS systems are working to fix their missing areas, either by getting them mapped or even asking users to report changes on their routes.

Users of Tom Tom, one GPS company, have helped to make five-million corrections since their program launched last year.

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