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Author Topic:   Smart Chart AIS
Mambo Minnow posted 11-21-2013 05:53 PM ET (US)   Profile for Mambo Minnow   Send Email to Mambo Minnow  
Technology Systems, Inc. has developed a new Smart Phone App that performs the AIS function and safety benefits of the Automatic Identification System (AIS) without having to buy a receiver or transmitter.

The app enable users to view AIS Class A & B traffic, it also introduces a new cellular-based AIS capability, called AIS Class E.

Like many Apps, it also has a social networking feature, that allows boat to boat chat and exchange of maritime info, photos and more.

Do a search in either Apple or Android stores and check it out!

jimh posted 11-21-2013 06:41 PM ET (US)     Profile for jimh  Send Email to jimh     
I don't recall hearing of a standard called AIS Class-E. There are Class-A and Class-B transmitters, and I don't recall any Class-C or Class-D transmitters, either.

How would I see your Class-E vessel on my AIS receiver?

K Albus posted 11-22-2013 08:29 AM ET (US)     Profile for K Albus  Send Email to K Albus     
Here's a link to some more info on AIS Class E:

Panbo also had some discussion regarding AIS Class E:

jimh posted 11-22-2013 10:35 AM ET (US)     Profile for jimh  Send Email to jimh     
I see a problem with this so-called Class-E AIS already. The initial purpose of the automatic identification system (AIS) was to help avoid collisions. AIS was presented as a way to make ships aware of each other and avoid collisions. That purpose seems to have been overtaken by a new agenda, vessel tracking. Now AIS has become a governmental regulatory agency data collection method. Just look at the first sentence in the document that Kevin linked to, where an explanation is give for the so-called Class-E AIS:

The ability to track small vessels is critical to national security...

Class-E AIS is a cover name for allowing the government to track your small vessel movement, and you get to pay for the equipment and the cellular data costs. No thanks.

jimh posted 11-22-2013 10:43 AM ET (US)     Profile for jimh  Send Email to jimh     
In the Class-E AIS system, if I am cruising along in my boat with my iPhone transmitting my position to some server so the government can maintain the security of the USA, and Kevin is cruising along in his boat with his Android smartphone transmitting his position, will we see each other on our AIS displays?

That is, will the server collecting all this information give it back to the boaters so we can see each other?

What about the large ships with Class-A AIS transponders who are receiving all of their information about other ships via radio? Will they see Kevin's boat or my boat on their display? If they don't--and I don't think they will--what is the value in collision avoidance?

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