4, ELECTRO-L N2 MSU-GS channel 4 SRF from file MSU-GS_SRFs.txt received November 2019 from NWPSAF helpdesk Number of data points: 11 Wavenumber (cm-1) Filter response 2272.727300 0.023000 2325.581400 0.210000 2380.952400 0.490000 2439.024400 0.902000 2500.000000 1.000000 2564.102600 0.961000 2631.578900 0.889000 2702.702700 0.766000 2777.777800 0.617000 2857.142900 0.198000 2941.176500 0.016000