READ TERR 1 2
! PC data
185514.152	1458.423	-1124.958	1.464426e-02	2.911539e-03	-2.911539e-03
191433.308	1173.901	-1234.366	1.115286e-02	2.596004e-03	-2.596004e-03
278019.309	1070.640	-1338.455	7.587282e-03	2.536807e-03	-2.089874e-03