JOURNAL ARTICLE

HOW SATELLITE NAVIGATION WORKS.

  • Published In: How It Works, 2025, n. 207. P. 34 1 of 3

  • Database: Science Reference Ultimate 2 of 3

  • Authored By: BIGGS, BEN 3 of 3

Abstract

The article focuses on the Global Positioning System (GPS), a satellite-based navigation system that provides location services to users worldwide. GPS consists of a constellation of 32 satellites operated by the US Space Force, which orbit Earth and enable accurate navigation through signals sent to devices like smartphones and satnavs. Initially developed for military use, GPS became publicly available in the 1980s, with President Reagan's directive and later enhancements made by President Clinton, allowing for free access to the system. The article also explains the technical workings of GPS, including the role of atomic clocks and the Doppler effect in determining precise locations. [Extracted from the article]

Additional Information

  • Source:How It Works. 2025/10, Issue 207, p34
  • Document Type:Article
  • Subject Area:History
  • Publication Date:2025
  • ISSN:2041-7322
  • Accession Number:187774456
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