CONTENTS

Policy on Intellectual Property Right (IPR)
Annex 1
�1���� Introduction
������� 1.1���� Temporal and location variability
������� 1.2���� Apparent and free-space elevation angles
������� 1.3���� Relevant propagation mechanisms
�2���� Propagation mechanisms
������� 2.1���� Free space basic transmission loss �(dB)
������� 2.2���� Depolarization attenuation �(dB)
����������������� 2.2.1���� Cross-polar discrimination and cross polar attenuation
����������� ������2.2.2���� Faraday rotation
����������������� 2.2.3���� Hydrometeor depolarization
������� 2.3���� Attenuation due to atmospheric gasses �(dB)
������� 2.4���� Loss due to beam spreading �(dB)
����������������� 2.4.1���� Ray bending
����������������� 2.4.2���� Beam-spreading loss for propagation through the atmosphere
������� 2.5���� Scintillation
����������������� 2.5.1���� Ionospheric scintillation �(dB)
����������������� 2.5.2���� Tropospheric scintillation �(dB)
������� 2.6���� Diffraction/ducting loss due to terrain and/or specific obstruction �(dB)
������� 2.7���� Clutter loss �(dB)
������� 2.8���� Building entry/exit loss �(dB)
������� 2.9���� Precipitation-scatter transmission loss �(dB)
������ 2.10���� Differential rain attenuation
�3���� Evaluation of interference
������� 3.1���� Basic transmission loss for single-entry interference
������� 3.2���� Clear-air basic transmission loss for multiple-entry interference
�4���� Correlation between propagation losses
�5���� Multiple-entry interference analysis methods
������� 5.1���� Monte Carlo simulation
������� 5.2���� Analytical techniques
Attachment A to Annex 1� Geometry of straight-line Earth-space path
Attachment B� to Annex 1� Conversion between apparent and free-space elevation angles
Attachment C� to Annex 1� Attenuation due to atmospheric gasses
������� C.1���� Introduction
������� C.2���� Attenuation due to atmospheric gaseous on an Earth-space path
Step-by-step method
������� C.3���� Descending ray when traced from Earth-based station
START OF LOOP FOR SUCCESSIVE ATMOSPHERIC LAYERS
END OF LOOP
������� C.4���� Ascending ray when traced from Earth-based station
START OF LOOP FOR SUCCESSIVE ATMOSPHERIC LAYERS
END OF LOOP
������� C.5���� Atmospheric parameters
������� C.6���� Reference atmosphere
Attachment D� to Annex 1� Tropospheric scintillation
������� D.1���� Introduction
������� D.2���� Scintillation intensity
������� D.3���� Tropospheric scintillation short-term variability
Attachment E� to Annex 1� Beam clearance taking atmospheric refraction into account
E.1
START OF LOOP
END OF LOOP
Attachment F� to Annex 1
Test for whether precipitation-scatter calculation is necessary
F.1