how does GPS work

  • How GPS Technology Has Changed Society

    Global Positioning Systems have been around in some form or another since the early '70s, and prototypes for the technology trace their origins several years earlier. Recognizing the need for a more sophisticated form of navigation, the U.S. Department of Defense ran the first GPS with 24 satellites, bringing the project operational by the '90s. Through modernization efforts in the early 2000s, this technology has emerged as the forerunner of day-to-day navigation. Today, Global Positioning Systems are ubiquitous, found in everything from cell phones to car navigation systems. Continue reading

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