Perhaps you’re occasionally checking your smartphone’s built-in mapping software while driving to a remote trout stream, or using Google Earth on a home computer to scout out new hunting and fishing ...

GPS is the best technology for tracking the location and movement of any object anywhere in the world. GPS stands for “Global Positioning System,” and refers to a worldwide network of satellites, ...

Our everyday GPS struggles in “urban canyons,” where skyscrapers bounce satellite signals, confusing even advanced navigation ...

Does anyone know of the maximum elevation a GPS receiver can generally be used (need longitude, latitude and height data )? Basically I want to use a GPS in an amateur satellite, for establishing its ...

Abstract: At JPL, there is a long history of developing space flight projects for studying the Earth, the solar system, and beyond. For the past 20 years at JPL, I’ve worked on many Earth-observing ...