CONTENTS

 

Scope
EXECUTIVE  SUMMARY
Annex 1  Information on feasibility of frequency sharing between different radiocommunication services in the frequency range 4-10 MHz
Annex 2  Spectrograms from monitoring campaigns
Annex 4  HF compatibility considerations
Annex 5  Spectrum sharing considerations in relation  to Agenda item 1.13 WRC‑07
Annex 6  Considerations regarding a primary fixed service or mobile service allocation and secondary amateur service allocation within the same band
Annex 1  Information on feasibility of frequency sharing between different radiocommunication services in the frequency range 4-10 MHz
 
1     Analysis of existing and potential scenarios of sharing between FS and MS in the range 4-10 MHz
 
2     Scenarios of interference between FS and MMS
 
3     Protection criteria
        3.1     FS Station protection criteria
        3.2     Protection criteria for MMS stations
 
4     Analysis of transmitting antenna designs used in FS, MMS and BS
 
5     Calculation of mutual interference caused by fixed and maritime mobile stations using high-directive transmitting antennas
 
6     Analysis of sharing feasibility between fixed/mobile and broadcasting stations on the basis of geographical separation
Annex 2  Spectrograms from monitoring campaigns
Annex 3  Analysis of specific sharing conditions in the 4-10 MHz band
 
1     Fixed interference into maritime mobile at 4.3 MHz
 
2     Maritime mobile interference into fixed at 5.8 MHz
 
3     Land mobile interference into maritime mobile at 6.4 MHz
 
4     Maritime mobile interference into land mobile at 8.6 MHz
 
5     Fixed interference into broadcasting at 4.6 MHz
 
6     Broadcasting interference into fixed at 5.1 MHz
 
7     Land mobile interference into broadcasting at 4.6 MHz
 
8     Broadcasting interference into land mobile at 5.1 MHz
 
9     Maritime mobile interference into broadcasting at 4.6 MHz
10     Broadcasting interference into maritime mobile at 5.1 MHz
Annex 4  HF compatibility considerations
Compatibility between the amateur, fixed, mobile and broadcasting service
Compatibility between the fixed, mobile and broadcasting service
HF band reuse over near vertical incidence skywave (NVIS) paths
Annex 5  Spectrum sharing considerations in relation to  WRC‑07 Agenda item 1.13
Example 1: Analogue broadcast protected from analogue broadcast
Example 2: Analogue broadcast protected from digital broadcast
Annex 6  Considerations regarding a primary fixed service or mobile service allocation and secondary amateur service allocation within the same band
 
1     Introduction
 
2     Background
 
3     Considerations
        3.1     Amateur service secondary allocation
        3.2     Weak fixed service signals
        3.3     High speed data sounds like noise
        3.4     Low power near vertical incidence skywave (NVIS)
        3.5     Point-to-multipoint transmission
        3.6     Frequency adaptive systems