SWSpectrum© version 8.50 is a spectral line shape computation and display program. Features include:

• Calculates high resolution spectra of 50 gases based on data in HITRAN 2020 and HITEMP databases
• Select up to 6 gases at once, or all gases
• Quantitative absorbance spectra
• Cross sections
• 2f and 1f wavelength modulation, direct absorption, or transmission line shapes
• Stick spectra or full line shape computation
• Output to printer or text file (line by line listing and intensity vs wavelength)
• Linear or log display
• Optional plots of individual isotopes
• Convolve spectra to account for instrument functions
• Save and recall configurations
• Improved speed and output files