Roger L. Easton

Background

An American scientist at the U.S. Naval Research Laboratory.

Contribution

Developed satellite timing and ranging concepts (Timation) central to the Global Positioning System.

Associated inventions

• Satellite Navigation (GPS)

Collaborators & contemporaries

• Bradford Parkinson
• Gladys West

Associated organizations

• U.S. Naval Research Laboratory
• U.S. Department of Defense

Sources & further reading

Each citation names the publisher and the exact reference title.

• GPS.gov — official U.S. government information about the Global Positioning SystemU.S. Space Force / GPS.gov · Government / archive
• Engineering and Technology History Wiki (ETHW)IEEE / United Engineering Foundation · Professional body

Direct source link pending editorial verification.