FA – IV – Page ARTICLE 51 Conditions to be observed in the maritime services .................................. 68 ARTICLE 52 Special rules relating to the use of frequencies ......................................... 69 ARTICLE 54 Selective calling ........................................................................................ 72 ARTICLE 57 Radiotelephony .......................................................................................... 72 ARTICLE 59 Entry into force and provisional application of the Radio Regulations .... 73 Appendices APPENDIX 4 (REV.WRC-15) Consolidated list and tables of characteristics for use in the application of the procedures of Chapter III........................................ 77 APPENDIX 5 (REV.WRC-15) Identification of administrations with which coordination is to be effected or agreement sought under the provisions of Article 9 ................................................................................................ 90 APPENDIX 7 (REV.WRC-15) Methods for the determination of the coordination area around an earth station in frequency bands between 100 MHz and 105 GHz .............................................................................................. 95 APPENDIX 8 (REV.WRC-15) Method of calculation for determining if coordination is required between geostationary-satellite networks sharing the same frequency bands ......................................................................................... 108 APPENDIX 15 (REV.WRC-15) Frequencies for distress and safety communications for the Global Maritime Distress and Safety System (GMDSS) .................... 109 APPENDIX 17 (REV.WRC-15) Frequencies and channelling arrangements in the high-frequency bands for the maritime mobile service ............................. 109 APPENDIX 18 (REV.WRC-15) Table of transmitting frequencies in the VHF maritime mobile band ............................................................................................... 115 APPENDIX 26 (REV.WRC-15) Provisions and associated Frequency Allotment Plan for the aeronautical mobile (OR) service in the frequency bands allocated exclusively to that service between 3 025 kHz and 18 030 kHz ............... 120 APPENDIX 30 (REV.WRC-15) Provisions for all services and associated Plans and List for the broadcasting-satellite service in the frequency bands 11.7-12.2 GHz (in Region 3), 11.7-12.5 GHz (in Region 1) and 12.2-12.7 GHz (in Region 2) ..................................................................... 121