READ TERR 1 2
! PC data
50490.545	1914.748	-2641.977	1.487058e-02	8.008876e-03	-5.915371e-03
592129.095	42944.847	-38489.913	3.500316e-03	1.216550e-03	-1.002219e-03
1225624.216	11428.631	-5534.833	3.394338e-03	1.697767e-03	-1.288724e-03