Annex 1 - Line-by-line calculation
of gaseous attenuation
1 Specific attenuation
2 Path attenuation
2.1 Terrestrial paths
2.2 Slant paths
3 Dispersive effects
Annex 2 - Approximate estimation of gaseous attenuation in the frequency
range 1-350 GHz
1 Specific attenuation
2 Path attenuation
2.1 Terrestrial paths
2.2 Slant paths
2.2.1 Elevation angles between 5° and 90°
2.2.2 Elevation angles between 0º and 5º
2.3 Slant path water-vapour
attenuation