GUI allows you convert spherical coordinates to UTM coordinates

This function displays a window (a little GUI) that you can use to do the conversion of the longitude and latitude coordinates to UTM coordinates. You can choose different ellipsoids to execute the conversion.
[ x,y,utmzone ] = UTM(instruccion)
Inputs:
Latitude, Longitude coordinates.
Outputs:
X, Y , Utm zone.
It's only necessary to run the function.
Author: Gabriel Ruiz Martinez, Civil Engineer.
v1.1 Abril/05