HI All, I need to calculate Rhumb Lines in an application and have not found a good formula for doing such. Does anyone know of an existing Class/Function that will calculate Rhumb Lines? Thanks and Be Well, -- Leonard Burton, N9URK leonardburton@xxxxxxxxx "The prolonged evacuation would have dramatically affected the survivability of the occupants." -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php