READ TERR 1 2
! PC data
47242.569	2934.218	-1348.633	2.149203e-02	5.574612e-03	-5.574612e-03
68240.560	16130.841	-12822.403	1.246213e-02	2.244762e-03	-2.244762e-03
337206.537	5691.974	-7222.206	2.231596e-03	1.001004e-03	-7.998550e-04