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