READ TERR 1 2
! PC data
43853.974	4000.910	-676.014	6.149216e-02	1.117531e-02	-1.117531e-02
53680.223	122.828	-157.991	8.586103e-02	2.240938e-02	-2.240938e-02
54394.716	361.107	-591.665	4.328247e-02	8.735683e-03	-8.735683e-03