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{{r|Automatic Radar Plotting Aid}}

...provides both a standard display and target message generation with the [[Automatic Radar Plotting Aid]]. Frequency options include [[EU-NATO-US frequency bands|E/F and I/J milit

...ormation, more accurate and more timely than information available from an automatic radar plotting aid, could also be available. Costs continue to drop, especially when the AIS u

...r certain ships. Ships above 10,000 tons must carry two [[radar]]s with [[automatic radar plotting aid]]s (ARPA).