l_a	h_sl	h₃	h₃/l_a	η_a
mm	mm	mm	-	-
500	0	150	0.3	0.61
500	100	250	0.5	0.74
500	200	350	0.7	0.82
500	300	450	0.9	0.93
500	350	500	1.0	0.95
500	400	550	1.1	0.97