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Système d'identification automatique — Wikipédia
How to boost AIS Reception
RNLI on X: "The Automatic Identification System or AIS transmits your location, which can be picked by all AIS receiving stations within range. While that is limited to 5 nautical miles it
AIS pour navire - JHS-183 - JRC USA - classe A
18/36nm Range 12/15 Inches Navigation AIS Color LCD Display Marine Radar/ Boat Ship Fishing Marine Radar with CCS - China Marine Radar, Boat Radar | Made-in-China.com