Researchers improving GPS accuracy in the 3rd dimension
Wednesday, August 17, 2011 - 10:30
in Earth & Climate
Researchers who are working to fix global positioning system (GPS) errors have devised software to take a more accurate measurement of altitude -- particularly in mountainous areas. The software is still under development, but in initial tests it enabled centimeter-scale GPS positioning -- including altitude -- as often as 97 percent of the time.