Message No 7 shall be used as an acknowledgement of up to 4 Messages No 6 received (refer to section 6.5.4.1) and shall be transmitted on the channel, where the addressed message, to be acknowledged, was received.
This message shall be used by base station(s) to pre-announce the fixed allocation schedule (FATDMA) for one or more base station(s) and it shall be repeated as often as required.
This message shall be transmitted by a base station, which is connected to a DGNSS reference source, and configured to provide DGNSS data to receiving stations.
0 = Under Way, 1= At Anchor, 2 = Not Under Command, 3 = Restricted Manoeuvrability, 4 = constrained by her draught, 5 = moored, 6 = aground, 7 = engaged in fishing, 8 = under way sailing, 9 = reserved for future use, 10 = reserved for future use, 11-14 = reserved for future use; default = 0
For floating aids-to-navigation, only: 0 = on position; 1 = off position; NOTE - This flag should be considered valid by receiving station, if the aid-to-navigation is a floating aid, and if time stamp is equal to or below 59.
UTC second when the report was generated (0-59, or 60 if time stamp is not available, which shall also be the default value, or 61 if positioning system is in manual input mode or 62 if positioning system operates in estimated (dead reckoning) mode, or 63 if positioning system is inoperative,).
UTC second when the report was generated (0-59, or 60 if time stamp is not available, which shall also be the default value, or 61 if positioning system is in manual input mode or 62 if positioning system operates in estimated (dead reckoning) mode, or 63 if positioning system is inoperative,).
UTC second when the report was generated (0-59, or 60 if time stamp is not available, which shall also be the default value,or 61 if positioning system is in manual input mode or 62 if positioning system operates in estimated (dead reckoning) mode, or 63 if positioning system is inoperative,).
UTC second when the report was generated (0-59, or 60 if time stamp is not available, which shall also be the default value, or 61 if positioning system is in manual input mode or 62 if positioning system operates in estimated (dead reckoning) mode, or 63 if positioning system is inoperative,).
UTC second when the report was generated (0-59, or 60 if time stamp is not available, which shall also be the default value, or 61 if positioning system is in manual input mode or 62 if positioning system operates in estimated (dead reckoning) mode, or 63 if positioning system is inoperative,).
0 = not available or no ship = default; 1 - 99 = as defined 6.3.3.8.2.3.1; 100 - 199 = preserved, for regional use; 200 - 255 = preserved, for future use.
0 = not available or no ship = default; 1 - 99 = as defined 6.3.3.8.2.3.1; 100 - 199 = preserved, for regional use; 200 - 255 = preserved, for future use.