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Thread: Fleet info - AIS Transceiver

  1. #31
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    Dec 2012
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    ummm -
    I think the "internal" AIS on the SH GX2200 is receive class B only, not a transmitter [or more accurately a transciever].
    it also has an internal GPS, which is convenient.

    So the good news is you know where you are and who's around you, IF THEY HAVE A AIS TRANSCIEVER.
    others still cant see you, nor will you show up on VTS

  2. #32
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    That's more than I used to have, and for only $318 at the boat show. As long as I know where the big boats are when coming back from Half Moon Bay in dense fog I feel better already. I guess I meant to type: "I'm going to hail Maris". Since I can see her from my boat's slip, if Brian answers I will have learned that something works. It's the little achievements that give me confidence. I would like to know what to do in order for Dura Mater to show up on the AIS chart.
    Last edited by Philpott; 05-25-2014 at 11:28 AM.

  3. #33
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    May 2011
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    Reno, NV and Alameda, CA
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    Quote Originally Posted by Philpott View Post
    That's more than I used to have, and for only $318 at the boat show. As long as I know where the big boats are when coming back from Half Moon Bay in dense fog I feel better already. I guess I meant to type: "I'm going to hail Maris". Since I can see her from my boat's slip, if Brian answers I will have learned that something works. It's the little achievements that give me confidence. I would like to know what to do in order for Dura Mater to show up on the AIS chart.
    Hi Jackie, DaveH is correct. The SH2200 is not an AIS transceiver (transmitter + receiver - clever, no?), just a receiver. To show up on the chart and on other's AIS receivers you have to broadcast your position using an AIS transceiver like the em-trak B100 or one of its many clones in fancier (and more waterproof) garb. And, you will have to add another GPS antenna, as Class B AIS Transceivers cannot by regulation, use GPS location data from another source. My recommendation is consider providing the SH2200 with GPS data from your AIS transceiver, should you choose to add one. You can turn off the internal GPS on the SH2200.

    Without a transceiver, you will know where the big ships are and be able to contact them using their mmsi - more like a person to person call. The one time I had to call a container ship in fog in the shipping channel without wind the bridge answered promptly and altered course and speed so as not to decorate themselves with my little boat like a necklace. Very reassuring indeed.

  4. #34
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    hoo boy, John, that sounds scary. I get it now: here is my MMSI: 338166477; you can program it in to call me and I will answer. Promise. I've set the range for 2 nm and the point of contact for 1/2 nm.

  5. #35
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    Quote Originally Posted by pogen View Post
    For reference, I am using these two sites to look up boat names etc. though there are many others

    http://www.vesselfinder.com/
    http://www.marinetraffic.com/ais/home
    Here's FCC's station license database, which includes MMSI's obtained from them (but not from Boat U.S.) It's surprising how many apply for station licenses and then let them expire (= most of them). Rags is in there if you're bored and want to go digging. So is NANCY, on Page 29 of the Nancys . . .

    http://wireless2.fcc.gov/UlsApp/UlsS...searchShip.jsp
    Last edited by BobJ; 05-26-2014 at 02:53 PM.

  6. #36
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    Well, I'll probably expire before my ship's license does but I suppose it will eventually expire, too. Perhaps some don't cancel their ships license when the vessel is sold. It can't be transferred like the individual license.

  7. #37
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    Quote Originally Posted by Philpott View Post
    hoo boy, John, that sounds scary. I get it now: here is my MMSI: 338166477; you can program it in to call me and I will answer. Promise. I've set the range for 2 nm and the point of contact for 1/2 nm.
    Not nearly as scary as hearing a very loud fog horn with no idea where it is, except close. Captain was very professional and cordial. Those suckers appear and disappear quickly! I'll give you a shout when my boat finally gets here and the antenna is installed...

  8. #38
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    Feb 2009
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    Quote Originally Posted by JAMcDonald View Post
    Not nearly as scary as hearing a very loud fog horn with no idea where it is, except close. Captain was very professional and cordial. Those suckers appear and disappear quickly! I'll give you a shout when my boat finally gets here and the antenna is installed...
    You can always give a position report to VTS. They'll be happy to hear from you- including MMSI. Put your radar reflector out too

  9. #39
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    Aug 2013
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    Oh, yes, Bob. My Mirage license did expire...but it was 10 years on an old unit. I'd like one of the cool new ones.

  10. #40
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    May 2011
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    Default Ais sart

    Quote Originally Posted by pogen View Post
    Re: the Nautilus device

    This unit (and there is another similar one on the market, I recall) is a much better solution for personal MOB than either PLB or devices AIS-SART devices like the McMurdo Smartfind.

    I bought 2 of the Smartfind-type devices before PacCup for over $300 each, and found on testing that no plotters or radios on the present market can properly process their signal to generate an alarm. When I called the USCG rescue center to tell them I was testing this type of device, they had no idea what I was talking about. So, a more generic device like the Nautilus or a HH VHF-DSC-GPS radio kept on your person is the best bet for personal MOB.

    Summary

    Bad: http://www.mcmurdomarine.com/ais-mob-devices
    http://www.kannadmarine.com/en/safelink-r10
    http://en.wikipedia.org/wiki/AIS-SART


    Good: http://www.standardhorizon.com/index...3&isArchived=0

    http://www.nautiluslifeline.com/buy-now
    I noticed that Digital Yacht now has an add on box to retrofit AIS displays to recognize AIS-SART. YRMV, never seen or used.

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