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NIST computer time services Internet Time Service (ITS), Automated Computer Time Service (ACTS), and

Levine, Judah.
[Boulder, Colo.] : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; Washington, DC : For sale by the Supt. of Docs., U.S. G.P.O., [2002] 2002

NIST time and frequency radio stations WWW, WWVH, and WWVB

Nelson, Glenn K.
Boulder, Colo. : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, Time and Frequncy Division, Physics Laboratory, [2005] 2005

NIST time and frequency services

Lombardi, Michael A.
Boulder, CO : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, [2003] 2003

Remote frequency calibrations the NIST Frequency Measurement and Analysis Service

Lombardi, Michael A.
Boulder, Colo. : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, [2004] 2004

Stopwatch and timer calibrations

Gust, Jeff C.
[Boulder, Colo.] : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 2009. 2009

WWVB radio controlled clocks recommended practices for manufacturers and consumers

[Gaitherburg, Md.] : U.S. Dept. of Commerce, National Institute of Standards and Technology, 2009. 2009

WWVB radio controlled clocks : recommended practices for manufacturers and consumers

Lombardi, Michael A.
[Boulder, Colo.] : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 2005. 2005