5, channel 5 digitised from file HIRS_filters.pdf provided by Ronald Glumb (ITT Exelisinc) at  http://ntrs.nasagov/search.jsp?R=19760014184
Number of data points:
55
Wavenumber (cm-1)   Filter response
      685.491000       0.000000
      689.479000       0.000142
      692.722000       0.003851
      696.542000       0.009079
      698.248000       0.008993
      699.410000       0.013581
      700.177000       0.015091
      700.416000       0.024371
      703.006000       0.047470
      703.081000       0.061405
      703.890000       0.070656
      703.936000       0.079171
      705.139000       0.126345
      705.959000       0.172764
      706.842000       0.230795
      707.363000       0.291941
      708.120000       0.361594
      708.855000       0.427375
      709.528000       0.481545
      710.718000       0.526396
      711.092000       0.560448
      712.141000       0.578980
      713.918000       0.592054
      714.714000       0.598983
      715.147000       0.609027
      716.111000       0.612076
      716.128000       0.615173
      717.505000       0.624395
      718.263000       0.624357
      719.261000       0.633599
      719.426000       0.628945
      720.335000       0.621930
      721.178000       0.602529
      722.017000       0.582354
      722.489000       0.564521
      722.725000       0.538181
      723.522000       0.510265
      723.696000       0.472314
      724.215000       0.428151
      724.721000       0.381665
      725.215000       0.332857
      725.903000       0.284814
      726.203000       0.235241
      727.068000       0.184866
      727.920000       0.132168
      729.041000       0.094169
      730.368000       0.059257
      731.923000       0.031302
      733.014000       0.022730
      735.419000       0.011768
      737.487000       0.008567
      741.450000       0.005270
      745.784000       0.000406
      749.764000       0.000205
      755.454000       0.000000