ff1a1   07:47:23  E25'28"  S18'44"    -2
f1a1    07:49:09  E25'28"  S18'44"    -1
ff1a2   11:04:04  E25'28"  S18'44"    -3
f1a2    11:05:50  E25'28"  S18'44"     0
f1x1    11:13:03  E25'28"  S18'44"     5
ff1a3   11:19:49  E25'28"  S18'44"     0
f1a3    11:21:35  E25'28"  S18'44"    -3
ff1a4   11:55:16  E25'28"  S18'44"     0
f1a4    11:57:03  E25'28"  S18'44"     3
        11:57:03  E25'28"  S18'44"     3