wavel.	cross sect.	uncertainty (2sigma)

192.5	1.610e-18	1.5e-19
195	1.235e-18	1.3e-20
200	7.31e-19	5.7e-20
205	3.88e-19	6.0e-21
210	1.75e-19	3.0e-21
215	7.33e-20	2.5e-21
220	3.25e-20	2.0e-22