On Thu, 28 Jul 2016 20:03:59 +0100 Conor Matthew <conormatthew at openmailbox.org> wrote: > My Longitude is -1.5 > $LongDeg is -1 > Is $LongMin 30 or -30 ? As per the man page: Note that all three components should have the same sign: All positive for Western longitudes and all negative for Eastern longitudes. Regards, Dianne.