RECOMMENDATION ITU-R P.618-7 - Propagation data and prediction methods required for the design of Earth-space ... ANNEX 1 1 Introduction 2 Propagation loss 2.1 Attenuation due to atmospheric gases 2.2 Attenuation by precipitation and clouds 2.3 Clear-air effects 2.4 Scintillation and multipath fading 2.5 Estimation of total attenuation due to multiple sources of simultaneously occurring atmospheric attenuation 2.6 Attenuation by sand and dust storms 3 Noise temperature 4 Cross-polarization effects 4.1 Calculation of long-term statistics of hydrometeor-induced cross-polarization 4.2 Joint statistics of XPD and attenuation 4.3 Long-term frequency and polarization scaling of statistics of hydrometeor-induced cross-polarization 4.4 Data relevant to cross-polarization cancellation 5 Propagation delays 6 Bandwidth limitations 7 Angle of arrival 8 Calculation of long-term statistics for non-GSO paths