Your phone's GPS is an incredibly accurate system that helps find your precise location instantly, but how exactly is it able to find you anywhere in the world?

Not to be outdone is Galileo, the European Space Agency's global navigation satellite system, one that operates in concert with GPS and GLONASS. The first satellites were launched in 2011.

GPS satellites send signals to a receiver in your handheld or car-based GPS navigator, ... A sky map of the 295 defining sources of ICRF2.

Typically, GPS maps are created by big companies such as Google, which sends camera-strapped vehicles around a neighborhood to capture details on an area's roads. And that's worked pretty well so ...

SpaceX recently launched a new GPS III satellite that had originally been delayed since April. The launch took place this week from Cape Canaveral in Florida and SpaceX’s Falcon 9 rocket ...

“A GPS receiver located, for the duration, ... Today, of course, we have all become digital geographers, carrying error-prone satellite-based mapping devices along with us everyday.

Satellite imagery companies are constantly expanding their coverage and increasing their refresh rate, so this source of mapping data is more readily available and up to date than the data collected ...

While raw data received from the 24-satellite GPS array provides location accuracies to within 100 feet or better, the Trimble postprocessing software improves that accuracy to around three feet ...