gps time知識摘要

GPS Time Series
GPS Time Series The Global Positioning System (GPS) is a constellation of 30 satellites which is used for navigation and precise geodetic position measurements. Data from over 2000 receivers have been analyzed at the Jet Propulsion Laboratory, California

A Brief History of GPS - TIME
Around the world, millions of people use the global positioning system, or GPS, to know where they are and where they're headed. ... Get TIME the way you want it One Week Digital Pass — $4.99 Monthly Pay-As-You-Go DIGITAL ACCESS — $2.99 One Year ...