Chris,

Marine Traffic depends on volunteers to relay data.  They say there can be
a lag of up to one hour.  While it was pretty accurate on the Chesapeake
last summer when I played with it and great for keeping track of a ship, I
would not want to rely on it for navigation.

Joel
35/3
Annapolis



On Mon, Mar 25, 2013 at 10:09 AM, Chris Price <iceboa...@comcast.net> wrote:

> I have an app on my phone that has been useful in keeping track of vessels
> (and where my son's tug is on the gulf coast) - Marine Traffic
> Chris Price
> Pradel
> 35-I
>
> ------------------------------
> *From: *"Gary Nylander" <gnylan...@atlanticbb.net>
> *To: *cnc-list@cnc-list.com
> *Sent: *Monday, March 25, 2013 9:37:27 AM
>
> *Subject: *Re: Stus-List Fw: (no subject) now AIS
>
> On a night time trip up the Bay a couple of years ago, the AIS receiver
> was a blessing. There are so many lights on shore that it is almost
> impossible to pick up the tug towing or pushing a barge barreling toward
> you.......
>
> Gary
>
> ----- Original Message -----
> *From:* Joel Aronson <joel.aron...@gmail.com>
> *To:* cnc-list@cnc-list.com
> *Sent:* Monday, March 25, 2013 9:30 AM
> *Subject:* Re: Stus-List Fw: (no subject) now AIS
>
> On the Chesapeake most private vessels to do NOT have AIS.  There is
> enough commercial traffic to make it useful.
> I ordered the SiTex transponder and splitter over the weekend.  More wires
> and cables.
>
> Joel
> 35/3
> Annapolis
>
>
> On Mon, Mar 25, 2013 at 9:19 AM, Dennis C. <capt...@yahoo.com> wrote:
>
>>  Mike,
>>
>> Did you want a transponder or just a receiver?  If just a receiver,
>> consider a VHF radio with AIS. I have a one interfaced with my chart
>> plotter.
>>
>> Also having an AIS can give a false sense of security. Not all vessels
>> have AIS.
>>
>> Dennis C.
>>
>> Sent from my iPhone
>>
>> On Mar 25, 2013, at 7:13 AM, "Persuasion" <persuasio...@gmail.com> wrote:
>>
>>   Thanks to those that responded.  I’m now convinced I want an AIS.  The
>> problem is which one.  It will be connected directly to the pc chart
>> plotter.  The Raymarine, Garmin and SiTex (new to me) all look promising.
>>
>> Mike
>> S/V Persuasion
>> C&C 37 Keel/CB
>> Long Sault
>>
>>  *From:* Joel Aronson <joel.aron...@gmail.com>
>> *Sent:* Friday, March 22, 2013 6:40 PM
>> *To:* cnc-list@cnc-list.com
>> *Subject:* Re: Stus-List (no subject)
>>
>>  Bob
>> No I will connect it to the plotter.
>>
>>
>> http://www.defender.com/product.jsp?path=-1%7C344%7C2028691%7C2028908&id=1849984
>>
>> Joel Aronson
>>
>>
>> On Mar 22, 2013, at 6:37 PM, Bob Moriarty <bobmo...@gmail.com> wrote:
>>
>>  Joel,
>> Is this the SI-TEX unit that you were looking at?
>>
>> http://www.si-tex.com/index.php/product-information/ais/sas-300-ais-class-b-ais-transceiver-detail
>>
>> Although I don't have any of their hardware, I like the SI-TEX brand.
>> They seem to occupy the "value" space. Value, like free wind, = good.  :-)
>>
>> Full disclosure: I'm just a day-sailor who rarely ventures outside the
>> mouth of the St Johns River in Florida. Despite this, I bought an MilTech
>> AIS receiver 6 or 7 years ago because I thought it was really cool and
>> relatively inexpensive. It once picked up the signal from an old tugboat in
>> for repairs at Green Cove Springs. w00t.
>>
>> As for AIS (receivers), do folks think that a radar-like display of
>> approaching targets is OK or even perhaps optimal?
>> Or, is it be important to be able to put the nearby boats in the context
>> of a chart?
>>
>> I know that many chart-plotters can interpret and display AIS data and
>> predict potential collisions. But, might this be a good case for having a
>> standalone unit, dedicated for nearby "situational awareness" - kinda like
>> radar I suppose. Probably depends upon one's situation.  :-)
>>
>> Bob M
>> Ox 33-1
>> Jax, FL
>>
>>  On Fri, Mar 22, 2013 at 12:14 PM, Joel Aronson 
>> <joel.aron...@gmail.com>wrote:
>>
>>> I've been looking at the Si Tex. built in GPS antenna. Good Price.
>>>
>>> Joel Aronson
>>>
>>>
>>> On Mar 22, 2013, at 10:49 AM, Persuasion <persuasio...@gmail.com> wrote:
>>>
>>> > Hey Fellow C&Cers
>>> >
>>> > Thinking about my next boat project.  I'm looking for advise on an
>>> AIS transponder.  I'm thinking about a Class B.  Anyone been down this road
>>> that can help?
>>> >
>>> > Thanks
>>> >
>>> > --
>>> > Mike
>>> > S/V Persuasion
>>> > C&C 37 K/CB
>>>
>>> _______________________________________________
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>>
>>
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>
>
> --
> Joel
> 301 541 8551
>
> ------------------------------
>
> _______________________________________________
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-- 
Joel
301 541 8551
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