News tagged with gps receivers

NASA uses GPS to find Sierra water weight

(Phys.org) —For the first time, NASA scientists have used GPS to find the total weight of winter snowpack and soil moisture in California's Sierra Nevada. The new results complement other satellite measurements ...

May 09, 2014 4 / 5 (1) 0

Explainer: what is GPS?

It's a device used widely in cars, on smartphones and in fitness devices. But what exactly is GPS, and how is it able to pinpoint our exact location anywhere on Earth?

Mar 08, 2013 4.3 / 5 (6) 2