= Selv.e = Provided the correct GM and Omega, it will use SGRAV.TXT file to create the surface elevation (same as geoid). === Input - files === * SGRAV.TXT === Input - stdin === * What it asks for {{{ GM (km^3/s^2), Omega (deg/day) 1.728e10 1617.250674 }}} === Output === * what it makes/changes attachment:filename.jpg