TIME MEASUREMENTThe state of development of advanced timing systems at NIST is described. The paper presents work on cesium and rubidium frequency standards, stored-ion frequency standards, diode lasers used to pump such standards, time transfer, and methods for characterizing clocks, oscillators and ...
NlST Time and Frequency Services [Special Publication 432 (Revised 199011 is a revision of SP 432, last published in 1979. It describes services available, as of December 1990, from NIST radio stations WWV, WWVH, and WWVB; from GOES satellites; from Loran-C; by telephone (voice and modem...
NIST will discontinue the dissemination of the U.S. time and frequency via the NIST radio stations in Hawaii and Ft. Collins, CO. These radio stations transmit signals that are used to synchronize consumer electronic products like wall clocks, clock radios, and wristwatches, and may be used ...
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The National Institute of Standards and Technology (NIST) and the United States Naval Observatory (USNO) use GPS common-view, carrier-phase time transfer and Two Way Satellite Time and Frequency Transfer (TWSTFT, also known as TWSTT) tec... V Zhang,T. Parker,R Bumgarner,... 被引量: 4...
http://www.time.gov/widget NIST Time Widget to link to an HTML5 (no Flash), widget-only page, go to: http:/ time.gov/widget.html. This widget is a public service provided by the Time and Frequency Division. Of the National Institute of Standards and Technology (NIST). It is a web...
The National Institute of Standards and Technology (NIST) now offers a service that provides customers with an oscillator locked to UTC(NIST), the United States national standard for frequency and time. A NIST disciplined oscillator (NISTDO) works by utilizing both the Internet and "common-view"...
Vol.112(2007)ACTAPHYSICAPOLONICAANo.5 ProceedingsoftheInternationalSchoolandConferenceonOpticsand OpticalMaterials,ISCOM07,Belgrade,Serbia,September3–7,2007 NISTCesiumFountains—Current StatusandFutureProspects S.R.Jefferts ∗ ,T.P.Heavner,T.E.Parker andJ.H.Shirley NIST—TimeandFrequencyDivision 325Bro...
NIST AI RMF Assessment Timeframe and Frequency Timeframe The NIST AI RMF compliance process is estimated to takeapproximately 45 daysto complete. Frequency The NIST organization has not set an ideal assessment frequency for the voluntary implementation of NIST AI RMF. The appropriate frequency could ...
" or frequency standards. The algorithm helps detect and correct GPS time and frequency anomalies. The algorithm also can be used to improve the control of other types of atomic clocks and has been incorporated into commercial software and instruments for various timing applications, according to ...