The Earth’s atmosphere is complex and dynamic and will impact the performance of a system
operating in the frequency range 20 THz to 375 THz between the Earth and an orbiting spacecraft.
These system impacts include
ITU-R P.1622-2003 history
2003ITU-R P.1622-2003 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz Question ITU-R 228/3