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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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Sigfrido leschiutta cctf chairman

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


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


Sigfrido leschiutta cctf chairman

the best atomic clocks

caesium fountains


Sigfrido leschiutta cctf chairman

SYRTE-FO2

FRANCE


Sigfrido leschiutta cctf chairman

NIST-F1

USA


Sigfrido leschiutta cctf chairman

PTB-CSF1

GERMANY


Sigfrido leschiutta cctf chairman

IEN-CSF1

ITALY


Sigfrido leschiutta cctf chairman

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


Sigfrido leschiutta cctf chairman

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


Sigfrido leschiutta cctf chairman

XXII CGPM

CCTF REPORT


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