BIPM Time Department Data Base

In this web site, information can be found on equipment in UTC contributing laboratories
To obtain these information, go to tabs :

Participation guidelines

Full documentation and guidelines for UTC and UTCr participation


Laboratories info : full list of participating labs and their related information
UTC/UTCr Contributors : contributing laboratories to UTC and UTCr

Lab. equipment

GNSS : list of all GNSS equipments in UTC participating laboratories and their calibration status
TWSTFT : list of all TWSTFT equipments in UTC participating laboratories and their calibration status


Clock stats & codes : list of all clocks contributing to UTC
Obtain BIPM clock code : Tool to generate the BIPM clock code of a clock (necessary to start reporting the clock for TAI)
by laboratory : list of clocks from a given lab

Calibrations status

GNSS : list of GNSS calibration exercices (past and future)
TWSTFT : list of TWSTFT calibration exercices

Interactive plots

UTC-UTC(k) : Interactive plot of UTC(k) wrt UTC/UTCr
UTC-GNSS times : Interactive plot GNSS times wrt UTC

    --- INFORMATION ---

BIPM is recruiting for the Time Department :

- a software engineer

(5-year position)
Here the announcement
Deadline for application is July 31, 2020.

- a researcher

Here the announcement.
Deadline for application is postponed
to Aug 31, 2020.

Additional links to access BIPM Time Department products :

Web access to FTP Here
FTP access to results Here
Time transfer calibration page Here