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Old 08-12-2011, 11:31   #31
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Re: My New Handheld AIS Receiver . . . WOW !

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Originally Posted by bobconnie View Post
Kettlewell, I guess everyone stays in there Pilot Houses , and looks at electronics these days and eyes and ears are just out dated !! My Gosh how will we ever get home safe ?? LOL Bob and Connie
Well, Bob, Conny and Kettle, y'all must have mighty eyes and ears to be able to look & listen 20 nm far and/or from around a cape or jetty that would obstruct view for the mere simple human sailors who need AIS for that

I strongly agree with the statements that web-AIS should NEVER be used for navigation. In fact, I would not allow it in my Nav software if I would have written any.

For iPhones and/or iPads as AIS receiver... I think that the only thing missing is a VHF receiver chip. The rest is all in there incl. Bluetooth and Wifi for linking it with whatever.

I just created a stupid old-fashioned NMEA-0183 link between my AIS and my Furuno NavNet 3D plotter because I can't do this over N2K yet. I was forgotten how I hate all the tiny conductors and lack of connector standards for it.
But I see myself on the AIS-web... and as class-A too heheh

cheers,
Nick.
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Old 09-12-2011, 15:40   #32
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Ive had good luck with the $200 Digital Yacht AIS receiver. Output goes to a Brookhouse mux which combines it with GPS and Seatalk data to give both a combined NMEA stream, and a USB connection to a laptop at the nav station. If i want all that data on an Ipad, Iphone, or other computer I can set up an ad hoc wireless link with the Nav station laptop and be "portable". Not the simplest route, but it does work for me.
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Old 10-01-2012, 10:41   #33
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Re: My New Handheld AIS Receiver . . . WOW !

As a future single-handed sailor intending to cross oceans, I would just like a small, handheld device that detects a vessel transmitting an AIS signal and then beeps. I'm thinking of a warning device for when a single-handed sailor is sleeping.
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Old 10-01-2012, 20:11   #34
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Quote:
Originally Posted by Triton318
As a future single-handed sailor intending to cross oceans, I would just like a small, handheld device that detects a vessel transmitting an AIS signal and then beeps. I'm thinking of a warning device for when a single-handed sailor is sleeping.
You have that already. Just switch your VHF to the right channel (around 87 duplex iirc). Every AIS transmission will open the squelch.

cheers,
Nick.
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Old 10-01-2012, 20:16   #35
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Re: My New Handheld AIS Receiver . . . WOW !

I did not know that - I am off to the boat today to try that, it would be a wonderful thing for single handed passage making (even though I have AIS)
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Old 10-01-2012, 20:34   #36
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I did not know that - I am off to the boat today to try that, it would be a wonderful thing for single handed passage making (even though I have AIS)
It's channels 87 and 88. Note that you only hear it on these duplex channels. You will not hear it on simplex channels 87B and 88B. Switch the radio to International if you don't get these duplex channels.

ciao!
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Old 11-01-2012, 06:15   #37
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Re: My New Handheld AIS Receiver . . . WOW !

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Originally Posted by Triton318 View Post
As a future single-handed sailor intending to cross oceans, I would just like a small, handheld device that detects a vessel transmitting an AIS signal and then beeps. I'm thinking of a warning device for when a single-handed sailor is sleeping.
Why handheld?

1) If you do think of single-handing offshore, I would start considering an active AIS transceiver, NOT a handheld receiver. Put a huge buzzer on yours - you will hear it everywhere throughout the boat. See & be seen.

2) Add an active radar reflector (type generic: SeaMe, etc.) or better yet a small radar. Not all ships carry AIS, many offshore rocks do not carry one either.

3) "just small ... handheld" is not the way to go if you are serious about your safety and safety of others - mind that part of the time your ship will be sailing while you will be sound asleep - thus you want MAX of any system that warns you when there are other ships around. Such toys cost a fraction of your boat's value and they are well worth every penny.

Cheers,
b.
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Old 11-01-2012, 13:40   #38
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Re: My New Handheld AIS Receiver . . . WOW !

Buy the following:
$25 VHF Antenna
$350 Get a AIS rcvr (Comar AIS USB rcvr)
$50 USB GPS rcvr
$275 Netbook computer, install OpenCPN
Total $700
Its portable and can be contained easily in a small briefcase.
Tom
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Old 11-01-2012, 14:00   #39
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Re: My New Handheld AIS Receiver . . . WOW !

I have a 100 amp/hour battery and only a 55 watt solar panel to charge it. I wouldn't have the power to run all of that. Nor the desire. If I had a spare 700.00, I would be buying about 200 feet of G40 HT 5/16" hot dipped galvanized anchor chain as I could.

"You have that already. Just switch your VHF to the right channel (around 87 duplex iirc). Every AIS transmission will open the squelch."

That's all I need. And a radar reflector.
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Old 11-01-2012, 14:00   #40
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Re: My New Handheld AIS Receiver . . . WOW !

Or else:

- buy a Windows tablet,
- install Open CPN,
- buy a wifi mux, plug in your AIS,

Sit back and enjoy!

PS The same can be done on iPad, maybe on iPhone too btw.

b.
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Old 11-01-2012, 14:03   #41
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Re: My New Handheld AIS Receiver . . . WOW !

Besides, one of the reasons I'm going cruising (besides to see the world) is to get away from computers, and software, and electronics, etc., etc., etc.
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Old 11-01-2012, 14:21   #42
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Re: My New Handheld AIS Receiver . . . WOW !

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Besides, one of the reasons I'm going cruising (besides to see the world) is to get away from computers, and software, and electronics, etc., etc., etc.
Yep.

But it is different when there is a solo sailor offshore. To stay safe, and not endanger others, see and be seen. When you are asleep this can be achieved by wise use of electronics.

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Old 11-01-2012, 14:37   #43
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Re: My New Handheld AIS Receiver . . . WOW !

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You have that already. Just switch your VHF to the right channel (around 87 duplex iirc). Every AIS transmission will open the squelch.

cheers,
Nick.
Apparently not. The signal is hidden in the noise so won't open up the squelch.

See post 7 here VHF Radio with Channels 87 and 88
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Old 11-01-2012, 14:55   #44
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Re: My New Handheld AIS Receiver . . . WOW !

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Apparently not. The signal is hidden in the noise so won't open up the squelch.

See post 7 here VHF Radio with Channels 87 and 88
If it is 'hidden' then how come the decoder gets it?

I seem to get the clicks on my VHF ... (???).

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Old 11-01-2012, 15:23   #45
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Re: My New Handheld AIS Receiver . . . WOW !

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If it is 'hidden' then how come the decoder gets it?

I seem to get the clicks on my VHF ... (???).

b.
Dunno how it works. I can't get 87b or 88B on my vhf to have a listen, but nothing obvious on the ham radio on those frequencies so maybe it is.

Are the clicks loud enough to open up the squelch?
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