Adjust SRF when converting from wavelength to wavenumber units

cris2viirs_pre.py

@@ -25,6 +25,7 @@ def parse_srf_file(filename):
                 continue
             wl_nm, resp = (float(x) for x in line.split())
             wn = 1e7 / wl_nm
+            resp /= wn**2
             wn_list.append(wn)
             resp_list.append(resp)
     srf = SRF()