Automatic Transmitter Identification System (marine): Difference between revisions

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+ and the three country-specific maritime identification digits.
{{about|Europe transmission identification|worldwide vessel tracking|Automatic Identification System}}
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{{about|Europe transmission identification|worldwide vessel tracking|Automatic Identification System}}
The '''Automatic Transmitter Identification System''' ('''ATIS''') is a [[marine VHF radio]] system used and mandated on navigable inland [[waterway]]s in Europe for identifying the ship or vessel that made a radio transmission. The identity of the vessel is sent digitally immediately after the ship's radio operator has finished talking and releases their transceiver's [[push-to-talk]] button. A short post-transmission message is sent by the radio with the vessel identity and is in the form of an encoded [[call sign]] or [[Maritime Mobile Service Identity]], starting with number '9' and the three country-specific [[maritime identification digits]].