READ TERR 1 2
! PC data
33746.373	763.307	-678.390	1.630159e-02	5.320686e-03	-5.320686e-03
39056.820	925.073	-462.246	2.068932e-01	5.882438e-02	-5.882438e-02
44650.417	861.654	-297.052	3.020962e-02	1.628156e-02	-1.301174e-02