I have located what I believe to be two good internet sites for determining altitute for a given location and a second site for solar declination on a certain day. Hope others find this helpful. http://aa.usno.navy.mil/AA/data/ http://www.cadastral.com/eph1998b.htm
-- Fiddler's Green We Design and Install Renewable Energy Systems "Solar Energy...Live the Good Life!" Greg Milsom, Owner PO Box 1200 Bowie, Maryland 20718 Phone/Fax: (301) 210-7669 http://www.radix.net/~green