Lon,    Lat, YearMmDd, HhMm,  Dur
 -81.756, 28.227, 20080109, 0735, 2400
 -80.939, 28.001, 20080109, 1815, 0200
 -81.085, 28.062, 20080109, 1815, 0200
 -97.353, 28.096, 20080109, 1645, 0400
 -97.478, 28.526, 20080109, 1645, 0400
 -97.794, 31.311, 20080109, 1915, 0400