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The United States Naval Observatory (USNO) is a scientific and military facility that produces geopositioning, navigation and timekeeping data for the United States Navy and the United States Department of Defense. [2]
In the United States, the United States Naval Observatory provides the standard of time, called UTC(USNO), for the United States military and the Global Positioning System, [1] while the National Institute of Standards and Technology provides the standard of time for civil purposes in the United States, called UTC(NIST).
Number One Observatory Circle is the official residence of the vice president of the United States. Located on the grounds of the U.S. Naval Observatory in Washington, D.C. , the house was built in 1893 for the observatory's superintendent.
The vice president's residence at the Naval Observatory may be haunted — Walter Mondale's daughter said she saw a ghost in her bedroom. ... 800-290-4726 more ways to reach us. Mail. Sign in ...
The United States Naval Observatory, Flagstaff Station celebrated its 50th anniversary of the move there from Washington, D.C., in late 2005. [6] Dr. John Hall, Director of the Naval Observatory's Equatorial Division from 1947, founded NOFS. Dr. Art Hoag became its first director in 1955 (until 1965); both later were to also become directors of ...
The Department of Defense master clock is the atomic master clock to which time and frequency measurements for the United States Department of Defense are referenced. Located in Washington D.C., the U.S. Naval Observatory master clock is designated as the "DOD Master Clock".
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Merri Sue Carter (born 1964) is an American astronomer who works at the United States Naval Observatory as director of the World Data Center for the Rotation of the Earth, Washington. She is also the author of books on the history of astronomy with her father, geodesist William E. Carter.