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post #13 of Old 10-22-2013
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Re: AIS "extremely vulnerable to hackers"

Originally Posted by SVAuspicious View Post
Yes. Radio direction finding (RDF) is built into Rescue 21. Some USCG small boats and even Towboat/US towboats have RDF capability.

Pseudo-doppler RDF is both state-of-the-art and inexpensive. You can build one yourself for about $300US and use any FM radio for direction finding. It's fun. Some ham radio clubs have radio fox hunts that use a number of different technologies, some quite simple, to good effect.
Funny how those news articles on "hacking" the AIS system choose to leave out these things.

Rick S., Swarthmore, PA
USCG Certified Captain, 50 Ton Master and OUPV
ASA Certified 101/103/104/105/106

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2001 Catalina 34MkII Tall Rig Breakin' Away, Universal Diesel M35B, Mantus 35 lb. anchor, sailing out of Rock Hall Landing Marina
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