##### Compile GRAVSOFT source code ### gfortran -o GRAVSOFT/geoip GRAVSOFT/geoip.f gfortran -o GRAVSOFT/geogrid GRAVSOFT/geogrid.f gfortran -o GRAVSOFT/geofour GRAVSOFT/geofour.f gfortran -o GRAVSOFT/aline_rads GRAVSOFT/aline_rads.f gfortran -o GRAVSOFT/crsadj_ad GRAVSOFT/crsadj_ad.f