// _UD eta>0 // x y dy 8.310000 2.994184 0.001189 15.700000 2.178563 0.002070 28.799999 1.815301 0.001736 49.299999 1.713594 0.001625 78.300003 1.655278 0.001605 117.099998 1.609973 0.001557 167.600006 1.560919 0.001438 234.199997 1.522818 0.001400 298.600006 1.501438 0.001915 350.600006 1.474946 0.001902