maritime identification digits
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3-digit code used by a radio communication facility to identify home country/base area in Digital Selective Calling, Automatic Transmitter Identification System and Automatic Identification System messages; part of Maritime Mobile Service Identity
In the Vinony graph
Within Vinony's link graph, maritime identification digits is referenced by 8 other articles, and connects out to United States, Turkey and Russia.
It sits within the topics Country codes, Lists of country codes and Maritime communication.
Its subject is documented across 6 Wikipedia language editions.