CONTENTS

�1���� Introduction������
�2���� Statistical considerations��
�3���� Basis for criteria on total interference��������
�4���� Development of the interference budget����
������� 4.1���� Budgeting between feeder links and service links����
������� 4.2���� Criteria for service links�����
������� 4.3���� Criteria for the feeder links�
Annex 1 - Derivation of interference criteria for service links operating at 1.5/1.6 GHz and feeder downlinks����
�1���� Introduction������
�2���� Interfering services to be considered���������
�3���� Propagation factors����������
Annex 2 - Derivation of permissible single-entry interference criteria for feeder uplink����
�1���� Allocation of interference criteria among space and terrestrial services�������
�2���� Considerations for the establishment of sharing criteria������
������� 2.1���� Single-entry interference criteria�����
Annex 3 - Coordination thresholds and sharing criteria for 1.5/1.6 GHz links����
�1���� Coordination among satellite systems��������
�2���� Interference caused to satellite receiver by terrestrial stations���������
�3���� Coordination distances����