Commission 31 Links
Related to Time Activities
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International Astronomical Union Division 1 Fundamental astronomy, to which Commission 31 belongs.
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Bureau International des Poids et Mesures BIPM:Intergovernmental organization for metrology.
The BIPM maintains a base of links to metrology organizations.
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Many time and frequency metrology laboratories maintain a site with information on the services they provide
(synchronization methods, time and frequency dissemination etc..).
Examples are the LNM/SYRTE in France,
the PTB in Germany,
the NPL in the UK and the
NIST in the USA.
Time and frequency activities may also be found in observatories, such as the
USNO or
ORB (which is hosting this Web site).
