The latest revision of WGS84 that took place in 2004 was based on the gravitational model EGM96. I'm not sure at what confidence level "valid" equates to. There will likely be a new WGS84 revision soon based on EGM2008 or other global gravitational model. I don't think WGS84 is becoming obsolete.
- John ************************************************** John Callahan, Research Scientist Delaware Geological Survey, University of Delaware URL: http://www.dgs.udel.edu ************************************************** On Wed, Nov 3, 2010 at 8:52 AM, <[email protected]> wrote: > this wiki entry says wgs 84 is to become obsolete?? > > http://en.wikipedia.org/wiki/WGS84#cite_note-0 > > > Tom > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user >
_______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
