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Old 28-10-2015, 16:40   #1
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Ais datas and web interface for OpenCPN 4.0.0 ...

Hello... :-) maybe its a strange idea I come along with. But asking is nothing wrong i think.

I have installed OpenCPN 4.0.0 on a windows mashine. I like to use it "offline" for onshore pre-planning of new routes.

Actually there exist different AIS tracker websites, e.g.

Live Ships Map - AIS - Vessel Traffic and Positions - AIS Marine Traffic
https://www.vesselfinder.com/ <- This one I like most.
My Ship Tracking Free Realtime AIS Vessel Tracking Vessels Finder Map

Some ship routes (English Channel, Straits of Gibraltar et. ..) are heavily busy and the AIS tracking websites give one a good idea about visualized.
These datas are helpfully to get an idea about and a feeling for the locally density of marine traffic.

E.g. every day Lloyd’s List Intelligence company receives nearly 60 million position reports from the fleet of more than 70,000 active ships.

So I thought about that it would be a nice feature for "offline routing planning" at home sitting front the desktop with Internet connection to get imported automatically one of these AIS data bases into OpenCPN as another layer option.

The benefit is clear: one gets an understanding about the "big cargo ship" and "ship vessel" traffic by visualisation. - And what a skipper has to expect later on board as real situation on his route.

In direct combination with OopenCPN it would be a real benefit I think.

Does a plugin / interface exist to fulfill this job ?
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Old 29-10-2015, 03:10   #2
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Re: Ais datas and web interface for OpenCPN 4.0.0 ...

Simply enter a TCP address to your OpenCPN connections which transmits raw AIS data. For example use IP number 207.7.139.10 with port numer 80 for the SanFrancisco area.

Gerhard
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Old 29-10-2015, 06:25   #3
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Re: Ais datas and web interface for OpenCPN 4.0.0 ...

Quote:
Originally Posted by CarCode View Post
Simply enter a TCP address to your OpenCPN connections which transmits raw AIS data. For example use IP number 207.7.139.10 with port numer 80 for the SanFrancisco area.

Gerhard
Awesome.... sounds great and promising ! - Cool.... so OpenCPN even can used in the class room of a Sailing academy to teach "newbees" with real time datas. Fantastic !

It seems some folks out there even have programmed an AIS simulator (where i found the Frisco IP address by googling again):
MarinePlotter: Form: AIS Simulator

I will give it a try on weekend...

Sailing becomes so great in 21st century with all that "modern technology" (which does not mean I cannot handle it without as I grew up in the 70th/80th with "old fashion seamanship". :-)

But I love it to have a more easy going and having bigger safetyness using such devices. Maybe not, haha.... as all the datas on the screen in the cockpit can scare one heavily seeing the huge "ship traffic" a skipper on his "little yacht" might feel very "small" and threatened, too.

As Sailors in Europe, e.g. in Germany like to sail around on Baltic Sea, North Sea, Atlantic coast (France, Portugal and Spain, Canary Islands, Azores) and Mediterranian Sea it would be interesting to know the different IP addresses of the different coastal areas.

Is there a database/website which lists the different IPs and Port number ? Same helpfully for long distance cruisers and liveaboater people. :-)
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Old 29-10-2015, 07:43   #4
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Re: Ais datas and web interface for OpenCPN 4.0.0 ...

There are other such IP addresses as well. Once I have had one for the Baltic Sea. But you must know that the received data is not secure, gathered from some basic stations with an unknown time lag. So they can't be used for navigation beside the fact that most boats does not have internet connection at sea.
Better buy a AIS receiver for your boat which are very cheap in these days.

Gerhard
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Old 30-10-2015, 12:23   #5
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Re: Ais datas and web interface for OpenCPN 4.0.0 ...

Those addresses tend to stale / migrate.
  • For example, there was an AIS relay covering Sweden / Norway at address 80.78.213.46 port 6492, but it looks defunct now.
  • Similarly with the San Francisco bay area it was at hd-sf.com (54.231.112.74) port 9009 previously, but, as CarCode mentioned, is at ais.exploratorium.edu (207.7.139.10) port 80 currently.
As far as I know, some AIS exchange networks provide each peer with other peers' data, but you need to make your own contribution i. e. supply them with your own unique AIS stream to get that others have in return.
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Old 30-10-2015, 13:35   #6
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Re: Ais datas and web interface for OpenCPN 4.0.0 ...

Anton's comment: for sharing and thus receiving
Free AIS vessel tracking | AIS data exchange | XML vessel positions
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