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Sigfrido Leschiutta CCTF Chairman PowerPoint PPT Presentation


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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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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

  • 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


the best atomic clocks

caesium fountains


SYRTE-FO2

FRANCE


NIST-F1

USA


PTB-CSF1

GERMANY


IEN-CSF1

ITALY


38 countries participating into TAI:

PolandIsraelThailand

AustraliaPortugalSpain

AustriaNorwayHong-Kong

ChinaLithuaniaU.K.

SwitzerlandJapanSweden

MexicoRomaniaSlovakia

GermanyUSAIndia

ItalyBulgariaCanada

ArgentinaSingaporeRussian Federation

Czeck RepublicKorea, Rep. ofChinese Taipei

TurkeySouth AfricaNew Zealand

FranceThe NetherlandsBelgium

BrazilChile

53 laboratories participating into TAI


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


XXII CGPM

CCTF REPORT


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