wavel.	cross sect.	uncertainty

300	8.37e-21	2.0e-22
305	4.08e-21	1.0e-22
310	1.88e-21	6.0e-23
315	8.93e-22	4.0e-23
320	4.19e-22	6.0e-23
325	2.30e-22	6.0e-24
330	1.06e-22	4.0e-24
335	5.06e-23	2.8e-24
340	2.40e-23	2.6e-24
345	1.03e-23	1.8e-24