6
   40.116667  142.0666667  1 #GPS807
   39.627222  142.1866667  2 #GPS804
   39.258611  142.0969444  3 #GPS802
   38.857778  141.8944444  4 #GPS803
   38.2325    141.6836111  5 #GPS801
   36.971389  141.1855556  6 #GPS806
