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AIS traffic in Halifax, Nova Scotia, a question
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Douglas Denny  
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 More options Mar 28 2012, 11:18 am
From: Douglas Denny <douglasde...@gmail.com>
Date: Wed, 28 Mar 2012 08:18:32 -0700 (PDT)
Local: Wed, Mar 28 2012 11:18 am
Subject: AIS traffic in Halifax, Nova Scotia, a question
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Hello,

The map in Halifax, Nova Scotia does not appear to be updating AIS.
* I started regularly visiting this map a couple of weeks ago, I am sure it
was displaying AIS traffic, but then it stopped.
* There may have been an AIS receiver active but I don't know.
* When I search around this area, I do see AIS objects, but none of those
are displayed on the map.
* It is possible this is normal behaviour, I'm not sure. There are many
places that have AIS vessels near-by, but they may all have receivers. I
see that Boston is not showing AIS traffic as well.

If it turns out, that only areas with an AIS receiver actually get mapped,
then I may try to put together a receiver over the next month or so for
Halifax, NS.

Thanks!

-Doug


 
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F Hillhouse Jr  
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 More options Mar 28 2012, 11:42 am
From: "F Hillhouse Jr" <f.hillhouse...@gmail.com>
Date: Wed, 28 Mar 2012 11:42:00 -0400
Subject: RE: [aprsfi] AIS traffic in Halifax, Nova Scotia, a question
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Have you created a filter that might cause the AIS objects to not show?

Best regards,
Fred, N7FMH

  _____  

From: aprsfi@googlegroups.com [mailto:aprsfi@googlegroups.com] On Behalf Of
Douglas Denny
Sent: Wednesday, March 28, 2012 11:19
To: aprsfi@googlegroups.com
Subject: [aprsfi] AIS traffic in Halifax, Nova Scotia, a question

Hello,

The map in Halifax, Nova Scotia does not appear to be updating AIS.
* I started regularly visiting this map a couple of weeks ago, I am sure it
was displaying AIS traffic, but then it stopped.
* There may have been an AIS receiver active but I don't know.
* When I search around this area, I do see AIS objects, but none of those
are displayed on the map.
* It is possible this is normal behaviour, I'm not sure. There are many
places that have AIS vessels near-by, but they may all have receivers. I see
that Boston is not showing AIS traffic as well.

If it turns out, that only areas with an AIS receiver actually get mapped,
then I may try to put together a receiver over the next month or so for
Halifax, NS.

Thanks!

-Doug

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Heikki Hannikainen  
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 More options Mar 28 2012, 12:28 pm
From: Heikki Hannikainen <he...@hes.iki.fi>
Date: Wed, 28 Mar 2012 19:28:26 +0300 (EEST)
Local: Wed, Mar 28 2012 12:28 pm
Subject: Re: [aprsfi] AIS traffic in Halifax, Nova Scotia, a question
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On Wed, 28 Mar 2012, Douglas Denny wrote:
> The map in Halifax, Nova Scotia does not appear to be updating AIS.
> * I started regularly visiting this map a couple of weeks ago, I am sure it was displaying AIS
> traffic, but then it stopped. 
> * There may have been an AIS receiver active but I don't know.
> If it turns out, that only areas with an AIS receiver actually get mapped, then I may try to put
> together a receiver over the next month or so for Halifax, NS.

Yeah, there needs to be an AIS receiver in the area. You can see the
current list of receivers there: http://aprs.fi/page/ais_sites

Seems like there are no AIS receivers feeding aprs.fi from Halifax, Nova
Scotia currently.

   - Hessu


 
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Douglas Denny  
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 More options Mar 28 2012, 12:35 pm
From: Douglas Denny <douglasde...@gmail.com>
Date: Wed, 28 Mar 2012 09:35:54 -0700 (PDT)
Local: Wed, Mar 28 2012 12:35 pm
Subject: Re: AIS traffic in Halifax, Nova Scotia, a question
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On Mar 28, 1:28 pm, Heikki Hannikainen <he...@hes.iki.fi> wrote:

> Yeah, there needs to be an AIS receiver in the area. You can see the
> current list of receivers there:http://aprs.fi/page/ais_sites

> Seems like there are no AIS receivers feeding aprs.fi from Halifax, Nova
> Scotia currently.

Hessu,

Thanks for the quick reply! I'll play around over the next month and
see what I can get running.

-Doug


 
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Walter Runck  
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 More options Mar 28 2012, 11:07 pm
From: "Walter Runck" <rkc...@gmail.com>
Date: Wed, 28 Mar 2012 23:07:09 -0400
Local: Wed, Mar 28 2012 11:07 pm
Subject: RE: [aprsfi] Re: AIS traffic in Halifax, Nova Scotia, a question
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If you're looking for a fun, low dollar project and are within RF range of
the area you're interested in, try tapping a marine VHF set and decoding the
packets yourself.  Marinetraffic.com and discriminator.nl have pretty much
all you need.  If you get it working, you'll become the (or at least a) AIS
source for Halifax and you can forward the data however you see fit.


 
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