CONTENTS

Policy on Intellectual Property Right (IPR)
Annex 1
�1���� Ray bending
�2���� Effective Earth radius
�3���� Modified refractive index
�4���� Apparent boresight angle on slant paths
������� 4.1���� Introduction
������� 4.2���� Visibility of space station
������� 4.3���� Estimation of the apparent elevation angle
������� 4.4���� Summary of calculations
������� 4.5���� Measured results of apparent boresight angle
�5���� Focusing and defocusing of a wave for propagation through the atmosphere
�6���� Excess radio path length and its variations
�7���� Propagation in ducting layers
������� 7.1���� Influence of elevation angle
������� 7.2���� Minimum trapping frequency