READ TERR 1 2
! PC data
137801.242	5032.679	-5385.893	5.453585e-03	1.669374e-03	-1.395679e-03
586317.712	20265.101	-16072.332	8.074008e-03	1.976498e-03	-1.976498e-03
622891.251	1031.870	-607.904	1.164722e-02	3.672139e-03	-3.049649e-03