Comparison at constant amount of water vapor as a function of the frequency

Image atm-comparison-e090-20deg
Image atm-comparison-e090-45deg
Image atm-comparison-e150-20deg
Image atm-comparison-e150-45deg
Image atm-comparison-e230-20deg
Image atm-comparison-e230-45deg
Image atm-comparison-e300-20deg
Image atm-comparison-e300-45deg