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Search took 0.00 seconds. Search: Posts Made By: Snowpetrel
Forum: Marine Electronics 20-05-2013, 15:50
Replies: 526
Views: 46,983
Posted By Snowpetrel
Also need to add the ship data feilds every 6...

Also need to add the ship data feilds every 6 mins. They take an additional 2 slots. All class b even stationary ones still try to transmit these as. I understand it. So a moving class b uses 14...
Forum: Marine Electronics 19-05-2013, 06:43
Replies: 526
Views: 46,983
Posted By Snowpetrel
Possibly the stations gps is getting a multipath...

Possibly the stations gps is getting a multipath error? Did the error last for very long?
Forum: Marine Electronics 19-05-2013, 06:14
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

In this case at some point the system is likely to be overwhelmed to the point where class B's are almost useless for navigation safety near any major port. Class A's have the capacity to deal with...
Forum: Marine Electronics 19-05-2013, 05:08
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

Unfortunately it looks like Y-tronic have stopped selling this software. The unregistered download only works just long enough to get a quick feel for how the PAD (predicted area of danger... The red...
Forum: Marine Electronics 18-05-2013, 19:07
Replies: 526
Views: 46,983
Posted By Snowpetrel
However the flipside of this is that large groups...

However the flipside of this is that large groups of people do see it evans way, myself included. Every little bit helps even if their will always be selfish or ignorant people who will do as they...
Forum: Marine Electronics 18-05-2013, 17:33
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

I think this would be a great open source project, as an add on for open CPN. A very good open source filter would force manufacturers to follow suit and improve their filters. Although I think their...
Forum: Marine Electronics 18-05-2013, 07:32
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

I think AIS filtering algorithms are going to be a big thing in the future of colregs law rule 5, and filtering settings are going to start to show up heavily in collision court cases and insurance...
Forum: Marine Electronics 18-05-2013, 07:04
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

+1 Although I can see the benefit when at anchor in some locations, and even on the dock if you are only on it temporarily eg a fuel berth, then everybody knows it's in use. It also could be useful...
Forum: Marine Electronics 17-05-2013, 16:57
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

To re-quote this from Nigel. I think he is on a bigger offshore supply/anchor handling vessel.
Forum: Marine Electronics 17-05-2013, 06:57
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

Thanks Nigel, Good to hear a big ship perspective. The interrogation I was thinking of was from a shore based station like a VTS, as a kind of "polling...
Forum: Marine Electronics 17-05-2013, 06:02
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

Does anybody know what sort of numbers of vessels it takes to start clogging the system up for the class B's? Without any technical knowledge in this area it would sound like their are 4500 slots or...
Forum: Marine Electronics 16-05-2013, 20:56
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

^^^^^
Forum: Marine Electronics 16-05-2013, 05:49
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

Sounds like the class B filter issue is more complex than I first thought as panbo (https://www.panbo.com/archives/2010/12/class_b_ais_filtering_the_word_from_dr_norris.html) and others...
Forum: Marine Electronics 16-05-2013, 02:15
Replies: 526
Views: 46,983
Posted By Snowpetrel
Re: Please turn your AIS off when docked/moored/anchored

My idea of "educating" must be a little different to yours! I didn't have baseball bat and dodgy london accent in mind...dodgy london accent (https://www.youtube.com/watch?v=tD2qTmDsiHk) More a few...
Forum: Marine Electronics 15-05-2013, 17:13
Replies: 526
Views: 46,983
Posted By Snowpetrel
Maybe futile for some, But it's worth at least...

Maybe futile for some, But it's worth at least trying to educate people to switch them off when it's not needed. The less the big ship boys need to run a class B filter to remove all our yachts the...
Showing results 1 to 15 of 15

 
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