Frequency (MHz)	Absorption (arbitrary units)
-50	2.33
-45	1.09
-40	2.38
-35	5.42
-30	5.35
-25	2.99
-20	6.81
-15	8.46
-10	11.29
-5	18.37
0	22.34
5	22.61
10	16.11
15	11.66
20	8.51
25	6.8
30	5.73
35	4.93
40	3.05
45	3.96