Maritime identification digits

Maritime identification digits are used by radio communication facilities to identify their home country or base area in Digital Selective Calling (DSC), Automatic Transmitter Identification System (ATIS), and Automatic Identification System (AIS) messages as part of their Maritime Mobile Service Identities. The International Telecommunication Union facilitates the assignment of MIDs to countries. This is a comprehensive list of MIDs that each country around the world uses. Note that not all countries have MIDs; those without are typically landlocked, with no access to international waters. Sorting MID assignments in numerical order reveals a regional structure, with the first digit:

单词	Maritime identification digits
释义	Maritime identification digits 英语百科 Maritime identification digits Maritime identification digits are used by radio communication facilities to identify their home country or base area in Digital Selective Calling (DSC), Automatic Transmitter Identification System (ATIS), and Automatic Identification System (AIS) messages as part of their Maritime Mobile Service Identities. The International Telecommunication Union facilitates the assignment of MIDs to countries. This is a comprehensive list of MIDs that each country around the world uses. Note that not all countries have MIDs; those without are typically landlocked, with no access to international waters. Sorting MID assignments in numerical order reveals a regional structure, with the first digit:
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