How to change that Python script to get altitude also? (Sowwy for being lazy and not look it up from specs myself.)
$ diff oldgps.py gps.py 14c14 < print "lat = %f, long = %f" % device.fix[4:6] --- > print "lat = %f, long = %f, alt = %f" % (device.fix[4:6] + (device.fix[7],))