– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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CCL working groups

The CCL has four working groups, one of which is run jointly between the CCL and the CCTF. Where access to working documents is restricted to working group members, a username and password are required.


  CCL-CCTF Frequency Standards Working Group (WGFS)
  CCL Working Group on the CIPM MRA (WG-MRA)
  CCL Working Group on Dimensional Nanometrology (WG-N)
  CCL Working Group on Strategic Planning (WG-S)