FINAL REPORT - Stakeholders - Ofcom

Table of Contents
1 Executive Summary.......................................................................................................... 8
1.1 Overview 8
1.2 Summary of recommendations 12
1.2.1 Aeronautical Radiodetermination........................................................................12
1.2.2 Maritime Radiodetermination ..............................................................................15
1.2.3 Aeronautical Radiocommunications....................................................................15
1.2.4 Maritime Radiocommunications..........................................................................17
1.2.5 Licensing.............................................................................................................19
1.2.6 General ...............................................................................................................19
2 Introduction to Report.................................................................................................... 21
2.1 Background 21
2.2 Scope 23
2.3 Purpose 23
2.4 The International Organisations Involved 23
2.4.1 The Aviation Community.....................................................................................23
2.4.2 The Maritime Community....................................................................................27
2.5 Spectrum Pricing Issues 28
2.6 Disclaimer 29
3 Aeronautical Radio Determination................................................................................ 30
3.1 Introduction 30
3.2 Ground Based Primary Radar 30
3.2.1 Primary Radar Frequency Allocations ................................................................30
3.2.2 Primary Radar Technology .................................................................................34
3.2.3 Operational Requirements ..................................................................................40
3.2.4 Regulatory and Standardisation Issues ..............................................................43
3.2.5 Possible Improvements to Existing Technology .................................................45
3.2.6 Replacement Technologies (In Band and Other)................................................51
3.2.7 Allocation Sharing ...............................................................................................52
3.2.8 Possible Overall Spectral Efficiency Improvements............................................55
3.2.9 Socio Economic Issues.......................................................................................57
3.2.10 Primary Radar Recommendations......................................................................60
3.3 Secondary Radar (L-Band Secondary ATC) 62
3.3.1 Introduction .........................................................................................................62
3.3.2 Frequency Allocations (International & National)................................................62
3.3.3 Technology Description ......................................................................................63
3.3.4 Operational Requirements ..................................................................................66
3.3.5 Regulatory and Standardisation Issues ..............................................................68
3.3.6 Possible Improvements to existing technology ...................................................71
3.3.7 Possible New Technologies (in-band) ................................................................73
3.3.8 Replacement Technologies (radio, other or none)..............................................76
3.3.9 Allocation Sharing Opportunities.........................................................................82
3.3.10 Possible Overall Spectrum Efficiency Improvements .........................................82
3.3.11 Conclusions and recommendations....................................................................84
3.4 Aeronautical Radio-Navigation Services (ARNS) 85
3.4.1 Introduction .........................................................................................................85
3.4.2 Frequency Allocations.........................................................................................86
3.4.3 Technology Descriptions.....................................................................................89
3.4.4 Operational Requirements ..................................................................................98
3.4.5 Regulatory and Standardisation Issues ............................................................103
3.4.6 Possible Improvements to existing technology .................................................107
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