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IERS Message No. 156                                    January 25, 2010
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IAG Commission 1 Symposium (REFAG2010)


Dear Colleagues,

I have the pleasure to annonce and to draw your attention to the

                         IAG Commission 1 Symposium 2010 on
            Reference Frames for Applications in Geosciences (REFAG2010)
                                  October 4-8, 2010

The main topics of the Symposium include, but not limited to:

-   Theory and realization of reference systems;
-   Definition, establishment, maintenance and improvement of the
     geodetic reference frames for Earth science applications;
-   Advanced terrestrial and space observation technique development
     for the above purposes;
-   International collaboration for the definition and deployment of
     networks of terrestrially-based space geodetic observatories;
-   Co-locations of geodetic instruments on the ground and in space;
-   Definition, establishment, maintenance and integration of
     regional reference frames;
-   Interaction between the celestial and the terrestrial reference
     frames;
-   Usage and applications of reference frames in Geosciences.

Although the venue of the symposium is not yet decided, please
save these dates and regularly consult the dedicated web site for
more information:

http://iag.ensg.ign.fr/index.php?id=140


Best regards
Zuheir Altamimi,

President, Commission 1 (Reference Frames) of the
International Association of Geodesy.


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