CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     Background
 3     Organization of Report
 4     Study methods
 5     Results of studies
        5.1     Spectrum Occupancy Study (Annex 2)
        5.2     Sharing and Compatibility Study Case A (Annex 3)
        5.3     Sharing and Compatibility Study Study Case B (Annex 4)
        5.4     Sharing and Compatibility Study Study Case C (Annex 5)
        5.5     Sharing and Compatibility Study Study Case D (Annex 6)
        5.6     Sharing and Compatibility Study with Stations in the Mobile Service (Annex 7)
        5.7     Compatibility Study with Oceanographic Radar (Annex 8)
        5.8     Compatibility with Stations in the Aeronautical Mobile Service (Annex 9)
Annex 1  Reference information
Annex 2  Spectral occupancy within the frequency band 5 250-5 450 kHz  as observed near Ottawa, Ontario, Canada
 1     Introduction
 2     Data collection procedures
 3     Observations
 4     Conclusions
Annex 3  Study Case A
 1     Compatibility of the amateur systems with the fixed systems
        1.1     Study Case: Pangnirtung NU to Makkovik NL
        1.2     Antenna assumptions
        1.3     Study Data Tables
 2     Analysis of the results
        2.1     Circuit availability
 3     Parameters used for compatibility study
Annex 4  Study Case B  Interference assessment from potential amateur service stations on the fixed/land mobile service based on I/N criteria.
 1     Scenario
 2     Methodology
        2.1     Calculation of external noise at an fixed/land mobile station
        2.2     Calculation of potential co-channel interference from an amateur station
        2.3     Calculation of potential adjacent channel interference from amateur stations to fixed/land mobile service receivers
 3     Results
        3.1     Result of potential co-channel interference
        3.2     Result of potential adjacent channel interference
 4     Conclusions
Annex 5  Study Case C
1      Characteristics of fixed stations used in the compatibility studies
2      Characteristics of amateur stations to be used in the frequency band 5 250-5 450 kHz
 3     Scenario of interference impact from amateur radio stations
 4     Methodology of interference impact assessment from amateur service stations to fixed/land mobile service, aeronautical service and oceanographic radars
 5     Analysis of the study results
       5.1      Study results for multihop links using omnidirectional antennas under steady conditions
       5.2      Study results for multihop links using directional antennas under steady conditions
       5.3      Study results for multihop links using omnidirectional antennas under fading conditions
       5.5      Study results for single-hop links using omnidirectional antennas under steady conditions
       5.6      Study results for single-hop links using directional antennas under steady conditions
       5.7      Results for single-hop links using omnidirectional antennas under fading conditions
       5.8      Results for single-hop links using directional antennas under fading conditions
       5.9      Analysis of efficient usage of mitigation technique “listen-before-transmitting” for protection of FS receivers
 6     Conclusions
Annex 6  Compatibility analysis of possible amateur systems with incumbent services at middle latitudes in the frequency band 5 275-5 450 kHz
 1     Background
 2     Executive Summary
 3     Compatibility of the amateur systems with the mobile systems
        3.1     Study Cases: Mobile AL, New Orleans LA, and Galveston TX to Miami FL
        3.2     Antenna Assumptions
        3.3     Study data tables
 4     Analysis of the results
        4.1     Circuit availability
 5     Conclusion
Attachment 1  to Annex 6  REC533 parameters
Annex 7  Compatibility analysis of possible amateur systems with the land mobile  service in the frequency band 5 250-5 450 kHz
 1     Introduction
 2     Background
 3     Executive Summary
 4     Compatibility of the amateur systems with the mobile systems
        4.1     Study Case: Pangnirtung NU to Makkovik NL
        4.2     Antenna assumptions
        4.3     Study Data Tables
 5     Analysis of the results
        5.1     Circuit availability
Annex 8  Compatibility analysis of possible amateur systems and radiolocation services in the frequency band 5 250-5 275 kHz
 1     Introduction
 2     Oceanographic radar characteristics and protection criteria
        2.1     Characteristics of oceanographic radars
 3     Theoretical ground-wave analysis
        3.1     Ground-wave propagation model
        3.2     Input parameters for GRWAVE based analysis
        3.3     Path loss calculation
        3.4     External noise calculation
        3.5     Maximum interference level
 4     Results
Annex 9  Compatibility analysis of possible amateur systems in the frequency band  5 250-5 450 kHz with the aeronautical mobile service in the 5 450-5 480 kHz band
 1     Background
 2     Parameters used in this study
 3     Study Results
 4     Probability of interference
 5     Conclusions
Attachment 1  to Annex 9  Methods and calculations
        A.1     Path geometry
        A.2     Noise sources
        A.3     Spurious emission power
        A.4     Transmit and receive antenna gains
        A.5     Transmitter antenna characteristics
        A.6     Calculation of signal to noise and signal to noise plus interference ratios