CONTENTS

ANNEX� 1
1���� Satellite passive remote sensing
2���� Radio astronomy
ANNEX� 2
1���� Fixed-satellite service (FSS) systems
������� 1.1���� RF filters to reduce unwanted emissions
������� 1.2���� Site shielding
������� 1.3���� Shaped antenna patterns
2���� Radar systems
������� 2.1���� Operational measures
����������������� 2.1.1���� Sector blanking
��������� ��������2.1.2���� Selection or adjustment of transmitter frequency
������� 2.2���� Replacement of transmitter device
������� 2.3���� RF filter installation in the radar transmitter
3���� Broadcasting-satellite service (BSS) systems
4���� Mobile-satellite service (MSS) systems
5���� HAPS systems
6���� FS HDFS applications
ANNEX� 3
1���� Spaceborne passive sensors
������� 1.1���� Receiver architecture
������� 1.2���� Analogue filtering at either the RF or intermediate frequency (IF) stages
������� 1.3���� Antenna patterns
������� 1.4���� Interference excision techniques
������� 1.5���� Digital adaptive interference cancelling
������� 1.6���� Adjustment of sensitivity levels
������� 1.7���� Time sharing
������� 1.8���� Shielding at the prime focus of parabolic receiving antennas
������� 1.9���� Use of orbital geometry
2���� Radio astronomy receivers
������� 2.1���� Site shielding and site selection
������� 2.2���� Quiet zones and coordination zones
������� 2.3���� Receiver architecture
������� 2.4���� Antenna patterns
������� 2.5���� Analogue filtering at either RF or IF stages
������� 2.6���� Interference‑excision techniques
������� 2.7���� Digital adaptive interference cancellation
������� 2.8���� Adjustment of sensitivity levels
������� 2.9���� Cooperative solutions
1.���� Guardbands
ANNEX� 4