READ TERR 1 2
! PC data
356607.678	90377.552	-204011.666	7.857618e-04	2.304986e-04	-2.304986e-04
531511.948	147552.396	-80302.226	6.033053e-04	1.862057e-04	-1.862057e-04
788679.099	81306.735	-104465.575	3.589444e-04	1.718437e-04	-1.373122e-04