– the intergovernmental organization through which Member States act together on
     matters related to measurement science and measurement standards.
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CCU working documents (Open access)
  24th meeting (2019)
 FileTitleAuthor(s)Latest updateFile type/ size
CCU/19-00Draft Agenda of the 2019 CCU meetingCCU-WG-S2019/05/07PDF
95 kbytes
CCU/19-00_01Draft Agenda BIPM workshop on advanced time and frequency transferCCU-CCTF2019/05/07PDF
669 kbytes
CCU/19-02CCU President`s reportJ. Ullrich2019/10/25PDF
4353 kbytes
CCU/19-04_02CCM report to the CCUP. Richard, H. Fang2019/10/25PDF
1268 kbytes
CCU/19-04_03CCEM report to the CCUG. Rietveld, M. Stock2019/10/25PDF
782 kbytes
CCU/19-04_04CCT report to the CCUY. Duan2019/10/25PDF
368 kbytes
CCU/19-04_05CCQM report to the CCUS.-R. Park, R. Brown2019/10/25PDF
1244 kbytes
CCU/19-04_06CCTF report to the CCUN. Dimarcq, P. Tavella2019/10/25PDF
234 kbytes
CCU/19-04_07CCRI report to the CCUW. Louw, S. Judge2019/10/25PDF
643 kbytes
CCU/19-04_08CCPR report to the CCUM. L. Rastello, P. Blattner2019/10/25PDF
1191 kbytes
CCU/19-04_10CCL report to the CCUI. Castelazo, G. Panfilo2019/10/25PDF
758 kbytes
CCU/19-05_01ISO report to CCU (revised)L. Pendrill2019/09/30PDF
872 kbytes
CCU/19-05_02IUPAP report to CCU - Version 2E. Shirley2019/09/11PDF
346 kbytes
CCU/19-05_03cPresentation from the Academie des Sciences2019/10/07PDF
2058 kbytes
CCU/19-05_04ICRU report to CCUD. Burns2019/09/17PDF
135 kbytes
CCU/19-05_05IFCC report to CCUP. Gillery2019/09/18PDF
116 kbytes
CCU/19-05_06IEC report to CCU & annex on terminologyP. Sebellin2019/09/30PDF
194 kbytes
CCU/19-05_07OIML position on the relevant topics for 24th CCU meetingR. Lapuh2019/10/01PDF
347 kbytes
CCU/19-05_08CIE liaison report to the 24th session of CCU, rev 2P. Blattner2019/10/25PDF
109 kbytes
CCU/19-05_09IUPAC report to the CCUJ. Stohner2019/10/07PDF
103 kbytes
CCU/19-05_10Report of the IAU to the CCUN. Capitaine2019/10/09PDF
114 kbytes
CCU/19-09_06Metrology for the digitalization of the economy and societyPTB2019/08/26PDF
2743 kbytes
CCU/19-09_07SmartCom - Digital system of unitsPTB2019/08/26PDF
7262 kbytes
CCU/19-09_11Discussion of the SI in the digital worldR. Brown2019/10/25PDF
469 kbytes
CCU/19-09_12SI in the digital world: ISO/ TC215 + / TC12 task force on HealthL. Pendrill2019/10/25PDF
295 kbytes
CCU/19-09_13"Digitization"D. Flater2019/10/25PDF
660 kbytes
CCU/19-09_14Digital SIS. Eichstädt2019/10/25PDF
454 kbytes
CCU/19-10_03Extending the available ranges of SI prefixesRichard Brown2019/06/24PDF
95 kbytes
CCU/19-10_04Discussion on the possible extensionof the available range of SI prefixesR. Brown2019/10/25PDF
1185 kbytes
CCU/19-11_03Draft of the strategic planning document for the CCU for the period 2019 to 2026CCU-WG-S2019/10/25PDF
28 kbytes
CCU/19-12_03INRIM presentationE. Massa2019/10/25PDF
1545 kbytes
CCU/19-19_04NSC IM presentationP. Neyezhmakov2019/10/25PDF
1493 kbytes
CCU/19-second-01Introduction: CCU half-day devoted to the secondJ. Ullrich2019/10/25PDF
4662 kbytes
CCU/19-second-02_01IAU report to the CCUN. Capitaine2019/10/25PDF
1163 kbytes
CCU/19-second-02_02URSI report to the CCU Y. Koyama, G. Petit2019/10/25PDF
612 kbytes
CCU/19-second-02_03IUGG report to the CCUC. Boucher2019/10/25PDF
81 kbytes
CCU/19-second-02_04ITU report to the CCUR. Beard2019/10/25PDF
38 kbytes
CCU/19-second-03_01Statement from CCTF President to CCU on the role of relativity in time & frequency metrologyN. Dimarcq2019/10/04PDF
433 kbytes
CCU/19-second-03_02The SI secondN. Dimarcq, P. Tavella, G. Petit2019/10/25PDF
4227 kbytes
CCU/19-second-04Towards a redefinition of the second with optical clocksS. Bize2019/10/25PDF
3169 kbytes
24th meeting (2019)
23rd meeting (2017)
22nd meeting (2016)
20th meeting (2010)
CCU summary
General information
Members of the CCU
CCU working groups
CCU publications
Open documents
SI Brochure (8th edn.)
CCU documents