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Sigfrido Leschiutta CCTF Chairman

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CCTF CONSULTATIVE COMMITTEE FOR TIME AND FREQUENCY REPORT FOR THE XXII CONFÉRENCE GÉNÉRALE DES POIDS ET MESURES Paris, 8-13 October 2003. Sigfrido Leschiutta CCTF Chairman. XXII CGPM CCTF REPORT. • the second frequency standards the hour time scales

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Presentation Transcript
slide1

CCTF

CONSULTATIVE COMMITTEE

FOR TIME AND FREQUENCY

REPORT FOR THE

XXII CONFÉRENCE GÉNÉRALE

DES POIDS ET MESURES

Paris, 8-13 October 2003

Sigfrido Leschiutta

CCTF Chairman

slide2

XXII CGPM

CCTF REPORT

  • • the second
  • frequency standards
  • the hour
  • time scales
  • global clock comparisons
  • how compare the clocks of the NMI’s
  • clocks and frequency standards
  • uses in Science and Technology
  • joint activity CCL-CCTF
  • toward future secondary optical definition of the second
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the best atomic clocks

caesium fountains

slide6

SYRTE-FO2

FRANCE

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PTB-CSF1

GERMANY

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38 countries participating into TAI:

Poland Israel Thailand

Australia Portugal Spain

Austria Norway Hong-Kong

China Lithuania U.K.

Switzerland Japan Sweden

Mexico Romania Slovakia

Germany USA India

Italy Bulgaria Canada

Argentina Singapore Russian Federation

Czeck Republic Korea, Rep. of Chinese Taipei

Turkey South Africa New Zealand

France The Netherlands Belgium

Brazil Chile

53 laboratories participating into TAI

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XXII CGPM

CCTF REPORT

  • • clocks and frequency standards
  • uses in Science and Technology
  • fundamental research and fundamental constants
  • metrological applications, outside time
  • telecommunications
  • satellite navigation systems
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XXII CGPM

CCTF REPORT

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