Each country have its own Datum and works with its own set of proyections. GPS, Google Earth and many other "modern" applications use WGS84 as the datum/proyection. One can have tens of metres diference when switching from one set of datum/proyection to another Therefore the correct way of giving a set of coordinates should indicate the Datum/Proyection as well as LAT and LONG. I use for international comunication and for avoiding errors - the mainstream WGS84. WGS84 Lat -39.1 / Long -72.65 -- Juanse Barros J. APIZUR S.A. Carrera 695 Gorbea - CHILE +56-45-271693 08-3613310 http://apiaraucania.blogspot.com/ [log in to unmask] *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm