SFL[km]	sigma[10km]
0	31.51875004
10	62.28177671
20	58.38760523
30	32.21243403
40	37.33691739
50	50.23146204
60	117.0271666
70	164.0937863
80	221.0678302
90	184.0335933
100	159.1412735
110	150.1753089
120	142.0292479
130	165.0285403
140	210.4015174
150	172.0397608
160	100.4019738
170	37.73503686
180	33.85940627
190	34.50797604
200	28.67393193
210	16.73106289
220	12.35142654
230	28.08897469
