Chapter 1 Introductions to the GMDSS 1
1.1 Basic Knowledge of GMDSS 1
1.2 Sub-systems of GMDSS 4
1.3 GMDSS Functions 6
1.4 GMDSS Requirements 9
1.5 Availability of Ship Station Equipment 10
Chapter 2 Terrestrial Communication System 19
2.1 Introduction 19
2.2 Radiotelephone Procedures 20
2.3 Radiotelex（NBDP） 20
2.4 The Digital Selective Calling（DSC）Sub-system 24
Chapter 3 INMARSAT Communication System 34
3.1 The Introduction to INMARSAT 34
3.2 INMARSAT-C Systems 36
3.3 INMARSAT-M/B Systems 39
3.4 INMARSAT Fleet F77 Systems 42
3.5 INMARSAT Services 43
3.6 Operational Principles of the INMARSAT 48
Chapter 4 Promulgation of Maritime Safety Information（MSI） 56
4.1 Definitions of MSI 56
4.2 NAVTEX Service 59
4.3 INMARSAT EGC Services 65
4.4 World-wide Navigational Warning Services（WWNWS） 71
Chapter 5 Distress，Urgency and Safety Communications 81
5.1 General Introduction 81
5.2 Distress Services 84
5.3 Urgency Services 91
5.4 Safety Services 93
5.5 Search and Rescue Radar Transponder（SARTS） 94
5.6 COSPAS-SARSAT System 99
Chapter 6 Special Services 110
6.1 Ship Reporting Systems 110
6.2 Search and Rescue（SAR） 118
6.3 PSC Inspection on GMDSS 126
6.4 Requirements of the Radio Logbook 128
Chapter 7 Extracts from SOLAS and ITU Regulations 132
7.1 SOLAS Chapter IV，C-ship Requirements 132
7.2 ITU-radio Regulations 132
APPENDIX 149
参考文献 162