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Roger Easton

AKA Roger Lee Easton

Born: 30-Apr-1921
Birthplace: Craftsbury, VT

Gender: Male
Race or Ethnicity: White
Sexual orientation: Straight
Occupation: Inventor, Physicist

Nationality: United States
Executive summary: Global Positioning System

Military service: US Naval Research Laboratory (1943-80)

Working at the Naval Research Laboratory (NRL), American physicist Roger Easton was involved in development of the Vanguard, Minitrack, and Navy Space Surveillance Systems for spacecraft tracking, navigation and timing technology. He is best known for designing the US Navy's Timation (time navigation) geopositioning system, which used multiple satellites carrying stable and ultra-precise clocks to send signals allowing earth-based receiving devices to calculate their exact locations. Patented in 1974 after several years of design, construction, and collaboration, Easton's system forms the foundation for the NAVSTAR-Global Positioning System (GPS).

Wife: Barbara Easton (m. 1945)
Son: Roger Easton, Jr.
Son: Richard Easton

    University: BS Physics, Middlebury College (1943)

    National Medal of Technology and Innovation 2005
    Magellanic Premium (1997, with Bradford W. Parkinson)
    National Aeronautic Association
    Collier Trophy 1992
    American Philosophical Society
    New Hampshire State House of Representatives (1982-86)

Author of books:
Vanguard I: Proposal, Installation, Launch and Selected Results (1958, with Martin Votaw)

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