Dr Joseph Achkar
Observatoire de Paris/Laboratoire Temps Espace [LNE-OP]
61 avenue de l`Observatoire
75014 Paris
France
Consultative Committee for Time and Frequency
Liaisons
From 18 to 19 September 2025
Consultative Committee for Time and Frequency
Liaisons
From 14 to 22 November 2024
General Conference on Weights and Measures
Delegates
From 15 to 18 November 2022
KCDB 2.0 - TC Chairs
Participant
11 June 2026
CCTF Task Force on Updating the Roadmap for the redefinition of second
Participant
21 May 2026
KCDB 2.0 – Comparisons
Participant
19 February 2026