READ TERR 1 2
! PC data
11711.150	558.717	-606.251	3.524867e-02	9.485247e-03	-9.485247e-03
49560.940	253.288	-355.988	3.176614e-02	8.322721e-03	-8.322721e-03
50419.846	409.836	-605.618	3.028590e-02	6.346174e-03	-6.346174e-03