Comment on xkcd #3169: EPIRBs

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neidu3@sh.itjust.works ⁨6⁩ ⁨hours⁩ ago

It’s been a while, but off the top of my head: MMSI (which is basically the radio installation identifier. Same number is used for AIS), and an ID digit (0 in wheelhouse, 1 on starboard bridge wing, 2 on port, etc)

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