A REVIEW OF THE U.S. NAVY'S PRECISE TIME AND TIME INTERVAL (PTTI) PROGRAM

RALPH T. ALLEN

Abstract:	In September 1975, the Navy's PTTI Program experienced a restructuring of its internal management. Since that time, the Program has undergone significant redirection. This paper briefly outlines in broad terms: (a) The history of the Navy's PTTI Program (b) The Navy's current and projected PTTI requirements and capabilities (c) The current and projected Program efforts The United States Navy's Precise Time and Time Interval (PTTI) Program is a Navy-wide effort to provide Navy platforms with PTTI information traceable to the U.S. Naval Observatory (NAVOBSY). At the Ninth Annual PTTI Applications and Planning Meeting, Rear Admiral Fowler briefly outlined the Navy's early dependency on time for navigation and the need for improved timing as ships' speeds increased with the conversion from sail to steam propulsion.
Published in:	Proceedings of the 10th Annual Precise Time and Time Interval Systems and Applications Meeting November 28 - 30, 1978 Goddard Space Flight Center Greenbelt, Maryland
Pages:	293 - 315
Cite this article:	ALLEN, RALPH T., "A REVIEW OF THE U.S. NAVY'S PRECISE TIME AND TIME INTERVAL (PTTI) PROGRAM," Proceedings of the 10th Annual Precise Time and Time Interval Systems and Applications Meeting, Greenbelt, Maryland, November 1978, pp. 293-315.
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