– the intergovernmental organization through which Member States act together on
     matters related to measurement science and measurement standards.
Search facility:

| Site map | News | Contact us
CCTF working documents (Open access)
  22nd-1 (2020 first session online)
 FileTitleAuthor(s)Latest updateFile type/ size
CCTF/20-00letter from the CCTF President to introduce the online surveyN. Dimarcq2020/12/14PDF
220 kbytes
CCTF/20-03Task Force "Roadmap for the redefinion of the second" - introductionN. Dimarcq2020/10/27PDF
612 kbytes
CCTF/20-04Task Force "Roadmap for the redefinion of the second", A - Request from user communities, NMIs, and Liaisons M. Gertsvolf, NRC; G. Mileti UNINE2020/10/27PDF
1105 kbytes
CCTF/20-05Task Force "Roadmap for the redefinion of the second", B- Atomic frequency standards, and possible redefinition approaches S.Bize, OP; E. Peik, PTB; C. Oates, NIST2020/12/11PDF
1520 kbytes
CCTF/20-06Task Force "Roadmap for the redefinion of the second", C - TF Dissemination and time scales D. Calonico, INRIM; T. Ido NICT2020/10/27PDF
365 kbytes
CCTF/20-07Leap second in UTC - building a consensus for a continuous time scaleJ. Levine, NIST; P. Tavella, BIPM2020/10/27PDF
1901 kbytes
CCTF/20-08Promoting the mutual benefit of UTC and GNSSP. Defraigne, ORB; A. Bauch, PTB2020/10/27PDF
1016 kbytes
CCTF/20-09Sharing resources to improve international timekeepingM. Gertsvolf, NRC; Y. Hanado, NICT2020/10/27PDF
2290 kbytes
22nd-1 (2020 first session online)
21st meeting (2017)
20th meeting (2015)
19th meeting (2012)
18th meeting (2009)
17th meeting (2006)
16th meeting (2004)
15th meeting (2001)
CCTF summary
General information
CCTF members
Strategy documents
CCTF Working Groups
CCTF publications and bibliography
CCTF Task Groups
Open documents
CCTF documents
WG-ALGO documents
WGATFT documents
WGFS documents
WGGNSS documents
WGMRA documents
WGPSFS documents
WGTAI documents
WGTWSTFT documents