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Topic Area: Time and Frequency
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1. A NIST Disciplined Oscillator
Topic: Time and Frequency
Published: 7/26/2010
Author: Michael A Lombardi
Abstract: 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905719

2. A NIST Disciplined Oscillator: Delivering UTC(NIST) to the Calibration Laboratory
Topic: Time and Frequency
Published: 12/1/2010
Author: Michael A Lombardi
Abstract: 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 b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906669

3. A Theoretical and Experimental Analysis of Frequency Transfer Uncertainty, Including Frequency Transfer into TAI
Topic: Time and Frequency
Published: 7/21/2010
Authors: Thomas Edward Parker, Gianna Panfilo
Abstract: In this work we present a study of the determination of frequency transfer uncertainty in time series measurements. The first part of this paper is dedicated to the theoretical study of the frequency uncertainty in relation to the Allan deviation ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902318

4. A common-view disciplined oscillator
Topic: Time and Frequency
Published: 5/24/2010
Authors: Michael A Lombardi, Aaron P Dahlen
Abstract: This paper describes a common-view disciplined oscillator (CVDO) that locks to a reference time scale through the use of common-view Global Positioning System (GPS) satellite measurements. A Proportional-Integral-Derivative (PID) controller obtains ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904996

5. A method for comparing remote optical clocks over a free-space optical link
Topic: Time and Frequency
Published: 7/9/2012
Authors: William C Swann, Fabrizio Raphael Giorgetta, Ian R Coddington, Esther Baumann, Jean-Daniel Deschenes, Laura C Sinclair, Alexander M. Zolot, Nathan Reynolds Newbury
Abstract: We demonstrate a method to compare optical clocks approaching 10^u-17^ uncertainties through the exchange of optical pulses from phase-locked frequency combs. We discuss results over a 120 m air path and prospects for longer distances.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911076

6. Advances in Coherent Population Trapping for Atomic Clocks
Topic: Time and Frequency
Published: 8/10/2010
Authors: John E Kitching, Vishal Shah
Abstract: We review advances in the field of coherent population trapping (CPT) over the last decade with respect to the application of this physical phenomenon to atomic frequency references. We provide an overview of both the basic phenomenon of coherent pop ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904870

7. An IEEE 1588 Time Synchronization Testbed for Assessing Power Distribution Requirements
Topic: Time and Frequency
Published: 9/29/2010
Authors: Julien Marc Amelot, Jeffrey Fletcher, Dhananjay Anand, Clement Vasseur, YaShian Li-Baboud, James Moyne
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907050

8. Atomic Time
Topic: Time and Frequency
Published: 1/1/2002
Authors: Thomas Edward Parker, Marc A Weiss
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=105529

9. Challenges in SIM to Create a Coordination Program for Time and Frequency
Topic: Time and Frequency
Published: 7/26/2010
Authors: J. Mauricio Lopez-Romero, Michael A Lombardi
Abstract: The Sistema Interamericano de Metrologia (SIM), one of the world s five major regional metrology organizations (RMOs) recognized by the Bureau International des Poids et Mesures (BIPM), is comprised of national metrology institutes (NMIs) located in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905720

10. Comparison of atomic frequency standards at NIST and PTB using carrier-phase GPS, ed. by L.A. Breakiron
Topic: Time and Frequency
Published: 1/1/2000
Authors: L M Nelson, Judah Levine, Thomas Edward Parker, K M Larson, P Hetzel, Juergen Becker
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=106801



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