CONTENTS

Policy on Intellectual Property Right (IPR)
Glossary
�1���� Introduction
�2���� Frequency administration
������� 2.1���� Allocations
������� 2.2���� Frequency management issues
������� 2.3���� Call-sign identification
�3���� Operational considerations
������� 3.1���� Oceanographic radar database
������� 3.2���� Coordination of multiple radars
������� 3.3���� Emergency management
�4���� Summary and conclusions
Annex 1 �Call sign identification
�1���� A1A/A2A Method
Annex 2� Non-modulation specific coordination techniques
�1���� Coordination considerations
�2���� Time division multiplexing
�3���� Frequency division multiplexing
�4���� Beam steering
������� 4.1���� Coordination by adjusting an antenna�s directivities
������� 4.2� ���Coordination by null-steering of an antenna�s radiation pattern
Annex 3� Frequency modulated continuous wave modulation multiplexing� coordination techniques
�1���� Method 1 (Modulation multiplexing with slot allocation)
������� 1.1���� Modulation multiplexing within the frequency modulated continuous wave linear sweeps
������� 1.2���� Possible technical performance on carrier and time base stability to maintain the radar slots
������� 1.3���� Compatibility of the modulation multiplexing method for pure frequency modulated continuous wave and gated frequency modulated continuous wave radars
������� 1.4���� Slot allocation according to different frequency modulated continuous wave radar technology
������� 1.5���� Coordinating modulated continuous wave radar with synchronization by global navigation satellite systems signals or other highly accurate frequency sources
������� 1.6���� Modulation multiplexing carrier offset methods
����������������� 1.6.1���� Modulation multiplexing by centre frequency offset
����������������� 1.6.2���� Modulation multiplexing by start time delay offsets
������� 1.7���� Carrier frequency and sweep time base accuracy and stability
������� 1.8���� Band capacity using the sweep offset modulation multiplexing method
�2���� Method 2 (Modulation multiplexing with 50 ppm stability)
�3���� Method 3 (modulation multiplexing using high stability transmitters)
������� 3.1���� Assumptions behind operational modulation multiplexing are described in this section
������� 3.2���� Impacts on frequency modulated continuous wave waveform parameters in modulation multiplexing of timing stability
����������������� 3.2.1���� Centre frequency/Sweep bandwidth coordination
����������������� 3.2.2���� Centre frequencies
����������������� 3.2.3���� Sweep bandwidth of frequency modulated continuous wave signals
����������������� 3.2.4���� Sweep repetition frequencies of frequency modulated continuous wave signals � example of stability impact
����������������� 3.2.5���� Pulse/Gate repetition frequencies of frequency modulated continuous wave signals � example of stability impact
������� 3.3���� Summary example of modulation multiplexing of operational parameters
�4���� Method 4 The selection of one of the two different sweep directions
�5���� Combination of techniques in one geographic area
�6���� Frequency modulated continuous wave radar compatibility, compatibility tests and future work
Annex 4� Oceanographic radar sweep factors impacting radar to radar interference
�1���� Sensitivity to centre frequency
�2� ���Sensitivity to sweep bandwidth
�3���� Sensitivity to sweep repetition frequency
�4���� Effect of channel crossing
Annex 5�� Examples of other radar technologies
Annex 6�� Data elements for electronic submission of information related to oceanographic radars