Index


aerials see antennas alphabet, phonetic


AM (Amplitude Modulation) antennas


“feeder” cable gain


length range


Authority to Operate batteries callsigns Channel 0


Channel 12: Channel 13: Channel 16: Channel 70: Channel 80:


Channel M/M2 channel selector channels, VHF


American duplex


international monitoring numbers


principle of private


“semi-duplex” operation significant


see also Channel entries simplex


coast radio stations calling MMSIs


Coast Station Licences Coastguard, calling


42 11 11 13


12-13 11 10 18


13-14 16


28, 29 23, 25 23, 29


23, 28-29, 31, 34, 44, 54, 68 29, 61, 67 27, 28, 29 28, 29 22-23 25-29 28


26-27 27-28 23


25, 82-83 25


27-28 27 29


26 6


33-34 63 17


34-35, 53 see also Maritime and Coastguard Agency 86 VHF Handbook


conformity, declaration of controls


declaration of conformity


Digital Selective Calling see DSC dimmer control


distress, definition of distress (Mayday) calls acknowledging authority to make the call


Mayday Relay the message


position, specifying receiving


silence (seelonce), need for distress calls, DSC


accidental false alert procedure Mayday Relay receiving alert sending alert after


doppler positioning Dover Port Control


DSC (Digital Selective Calling) calls


receiving routine sending types of


calls, group receiving


Channel 70: controllers


classes of and position


using Class A or B using Class D


digital message 18 21-23 18 24


43-44, 67 43-51, 68 49 43


44, 45 51


45-46 47 48 50


64, 67-69 69 71


68-69 67-68 68


57, 58 33 61


65


61-66 65


63-64 63 66


29, 61, 67 61-62 62 64 66


64-65 61

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