READ TERR 1 2
! PC data
174615.800	9899.069	-8675.345	7.466152e-03	1.643037e-03	-1.643037e-03
610055.215	5192.770	-6951.338	7.829856e-03	1.905634e-03	-1.905634e-03
620870.546	918.335	-337.823	5.801336e-03	3.594079e-03	-2.556952e-03