datagutten

<?Php
//Original version: http://www.uwgb.edu/dutchs/usefuldata/ConvertUTMNoOZ.HTM
function UTMtoGeog($Easting,$Northing,$UtmZone,$SouthofEquator=false) //Convert UTM Coordinates to Geographic
{
	//Declarations
	//Symbols as used in USGS PP 1395: Map Projections - A Working Manual
	$k0 = 0.9996;//scale on central meridian
	$a = 6378137.0;//equatorial radius, meters. 
	$f = 1/298.2572236;//polar flattening.
	$b = $a*(1-$f);//polar axis.