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21st meeting of the CCTF

8 to 9 June 2017

Meeting report

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Resolutions/Recommendations

CCTF Recommendation 1 (2017)

Recommendations for operating, comparing and reporting frequency standards as secondary representations of the second in preparation for a redefinition of the second by optical transitions

CCTF Recommendation 2 (2017)

Updates to the CIPM list of standard frequencies

CCTF Recommendation 3 (2017)

Recommendation on the definition of time scales

CCTF Recommendation 4 (2017)

On the utilization and monitoring of redundant time transfer equipment in the timing laboratories contributing to UTC

CCTF Recommendation 5 (2017)

On improving the uncertainty of Two-Way Satellite Time and Frequency Transfer (TWSTFT) for UTC Generation

Publications

Working documents

CCTF/2017-01

Agenda (draft 31/05/2017)

F. Arias (BIPM, Ex. Secretary), L. Erard (LNE, President)

04/04/2017

CCTF/2017-02

Schedule of CCTF and associated meetings

F. Arias (BIPM, Ex. Secretary)

04/04/2017

CCTF/2017-03

Lecture: History of the second

D. McCarthy (IAU, invited)

07/05/2017

CCTF/2017-04

Recommendation (proposed) "On the definition of time scales"

Task Group on Time Scales Definition

07/05/2017

CCTF/2017-05

Recommendation (proposed) "On the utilization and monitoring of redundant time transfer equipment in the timing laboratories contributing to UTC"

CCTF WGs GNSS and TWSTFT

07/05/2017

CCTF/2017-06

Recommendation (proposed) "On improving Two-Way Satellite Time and Frequency Transfer (TWSTFT) for UTC Generation"

CCTF WG TWSTFT

07/05/2017

CCTF/2017-07

Report on PTB`s activities to the 21st session of the CCTF, June 2017

PTB

07/05/2017

CCTF/2017-08

Status report to the 21st CCTF on time and frequency activities at KRISS

KRISS

07/05/2017

CCTF/2017-09

Time and frequency activities at the VNIIFTRI

VNIIFTRI

07/05/2017

CCTF/2017-10

CIPM ad hoc Working Group on Implementing the Recommendations from the Review of the CIPM MRA

CIPM

07/05/2017

CCTF/2017-11

Report of the CCTF WG on the MRA

J.M. Lopez Romero (CINVESTAV, chair)

23/05/2017

CCTF/2017-12

Report to the 21st Session of the CCTF - WG on GNSS time transfer

P. Defraigne (ORB, chair)

23/05/2017

CCTF/2017-13

METAS report to the CCTF 2017

METAS

23/05/2017

CCTF/2017-14

Report to the 21st Session of the CCTF- Actvities of the WGPSFS

S. Jefferts (NIST, chair) and G. Petit (BIPM, Ex. secretary)

24/05/2017

CCTF/2017-15

Report to the 21st CCTF - Improving the stability of UTCr

G. Petit, A. Harmegnies, G. Panfilo (BIPM)

24/05/2017

CCTF/2017-16

Report of the CCL-CCTF Frequency Standards Working Group (WGFS) to the CCTF 2017

F. Riehle (PTB), P. Gill (NPL) (co-chairs)

26/05/2017

CCTF/2017-17

Recommendation (proposed) "On the list of recommened frequencies"

CCL-CCTF WGFS

26/05/2017

CCTF/2017-18

Report from NPL to the 21st session of the CCTF, 2017

NPL

29/05/2017

CCTF/2017-19

Report of the NRC to the 21st Meeting of the CCTF

NRC

29/05/2017

CCTF/2017-20

Report on activities to the 21st meeting of the CCTF, June 2017

RISE (formerly SP)

30/05/2017

CCTF/2017-21

Report to the 21st Meeting of the CCTF - INRIM`s Time and Frequency activities

INRIM

31/05/2017

CCTF/2017-22

Report of Time and Frequency actvites at NICT (2015-2017)

NICT

01/06/2017

CCTF/2017-23

Report of the CCTF WG on TWSTFT

V. Zhang (NIST, chair) and Z. Jiang (BIPM, Ex. Secretary)

01/06/2017

CCTF/2017-24

Report to the 21st CCTF: The uncertainties of [UTC-UTC(k)]

G. Panfilo, G. Petit, A. Harmegnies (BIPM)

01/06/2017

CCTF/2017-25

CCTF 2017: Report of the Royal Observatory of Belgium

P. Defraigne (ORB)

01/06/2017

CCTF/2017-26

APMP report to the 21st meeting of the CCTF

M. Wouters (chair, APMP TCTF)

02/06/2017

CCTF/2017-27

GULFMET TC-EMTF Report

TC-EMTF GULFMET

02/06/2017

CCTF/2017-28

Report to the 21st Meeting of the CCTF - Research Activites on Time and Frequency - NMIJ/AIST

NMIJ

02/06/2017

CCTF/2017-29

Report to the 21st Meeting of the CCTF - Activites at the NIST Time and Frequency Divison

NIST

02/06/2017

CCTF/2017-30

Report to the 21st CCTF - LNE-SYRTE

LNE-SYRTE

08/06/2017

CCTF/2017-31

Report to the 21st Meeting of the CCTF - Study Group on Optical Fibres of the WG ATFT

D. Calonico (chair, INRIM)

08/06/2017

CCTF/2017-32

Report of VSL activities to the 21st Session of the CCTF

VSL

08/06/2017

CCTF/2017-33

In memoriam Dr Bernard Guinot

BIPM

13/06/2017

CCTF/2017-34

Presentation - CCTF meeting - Update on re-definiton of the SI

M. Milton (BIPM Director)

13/06/2017

CCTF/2017-35

Presentation - Report on the activities of the BIPM Time Department to the 21st Meetng of the CCTF

F. Arias (BIPM)

13/06/2017

CCTF/2017-36

Presentation - Frequency standards in TA and realization of TT(BIPM)

G. Petit, G. Panfilo (BIPM)

13/06/2017

CCTF/2017-37

Presentation - Report of the CCTF WG TAI to the 21st meeting of the CCTF

F. Arias (chair, BIPM)

13/06/2017

CCTF/2017-38

Presentation - Status of the algorithms for TAI

G. Panfilo (BIPM)

13/06/2017

CCTF/2017-39

Presentation - Report on Rapid UTC

BIPM Time Department

13/06/2017

CCTF/2017-40

Presentation - Report of the CCTF WG TWSTFT

V. Zhang (NIST, chair) and Z. Jiang (BIPM, Ex. Secretary)

14/06/2017

CCTF/2017-41

Presentation - Report of the CCTF WG GNSS

P. Defraigne (ORB, chair)

14/06/2017

CCTF/2017-42

Presentation - GPS calibratons for UTC

BIPM Time Department

14/06/2017

CCTF/2017-43

Presentation - International Committee on Global Navigation Satellite Systems (ICG)

G. Petit (BIPM)

14/06/2017

CCTF/2017-44

Presentation - Report of the CCL-CCTF WG FS

F. Riehle (PTB), P. Gill (NPL) (co-chairs)

14/06/2017

CCTF/2017-45

Presentation - Report of the CCTF WG on Advanced Time and Frequency Transfer Technology

F.-L. Hong (NMIJ, Yokohama Nat. Univ., chair)

14/06/2017

CCTF/2017-46

Presentation - Study Group on Optical Fibre Links for UTC under the CCTF WG ATFT

D. Calonico (INRIM, chair)

14/06/2017

CCTF/2017-47

Presentation - Report of the CCTF WG MRA

J.M. Lopez Romero (CINVESTAV, chair), G. Panfilo (BIPM, Exec. Secretary)

15/06/2017

CCTF/2017-48

Presentation - APMP Technical Committee for Time and Frequency Activity Report

A. Zhang (NIM, chair Elect, M. Wouters (NMIA, chair)

15/06/2017

CCTF/2017-49

Presentation - EURAMET TC-TF report to CCTF

P. Whibberley (NPL, chair)

15/06/2017

CCTF/2017-50

Presentation - SIM Report to the 21st CCTF meeting

R. Sol???s Betancur (CENAMEP, chair), J.M. L???pez Romero (CINVESTAV)

15/06/2017

CCTF/2017-51

Presentation - Space-time references and General Relativity

G. Petit (BIPM)

15/06/2017

CCTF/2017-52

BIPM strategy for time metrology (2018-2025)

F. Arias, L. Erard

15/06/2017

CCTF/2017-53

Presentation - Time and Frequency Activities - TL, Chinese Taipei

H.-T. Lin, C.-S. Liao (TL)

15/06/2017

CCTF/2017-54

Notes for the CCTF report

USNO

07/09/2017

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