2,   channel 2 SRF from file MRIR_N2_chan2.txt received July 2019 from Thomas Hall
Number of data points:
15
Wavenumber (cm-1)   Filter response
      847.457600       0.000000
      862.069000       0.055000
      877.193000       0.117000
      892.857100       0.235000
      909.090900       0.595000
      925.925900       0.777000
      943.396200       0.875000
      961.538500       0.920000
      980.392200       1.000000
     1000.000000       0.783000
     1020.408200       0.550000
     1041.666700       0.287000
     1063.829800       0.120000
     1086.956500       0.028000
     1111.111100       0.000000