ops... sorry you're right the result of trasformationa are in radians :) as described here http://trac.osgeo.org/proj/wiki/ProjAPI then x *= RAD_TO_DEG; y *= RAD_TO_DEG; the result is ok thanks to you :) m. -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/help-with-proj-4-tp6470395p6471521.html Sent from the PROJ.4 mailing list archive at Nabble.com.