public float(stirng input){
int deg = Convert.ToInt16(input.Substring(0, 2));
float min = Convert.ToDouble(elem[2].Substring(2));
return (double)deg + (double)(min / 60);
}
public float(stirng input){
int deg = Convert.ToInt16(input.Substring(0, 3));
float min = Convert.ToDouble(elem[2].Substring(3));
return (double)deg + (double)(min / 60);
}