Dr Ricardo José De Carvalho
Observatório Nacional/Divisão Serviço da Hora [ON/DSHO]
R. Gal. José Cristino n° 77
São Cristóvão
CEP 20921-400 Rio de Janeiro
Brazil
General Conference on Weights and Measures
Delegates (online)
From 15 to 18 November 2022
Consultative Committee for Time and Frequency
Official Observers
From 29 June to 01 July 2022
Consultative Committee for Time and Frequency
Official Observers
From 11 to 12 March 2021
CIPM Task Group on the SI Digital Framework
Participant
22 May 2023
CCTF Working Group on TAI
Participant
18 April 2023
KCDB 2.0 - CMC Writers
Participant
23 March 2023