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Go Back   SailNet Community > On Board > Gear & Maintenance > Electronics > Cheapest AIS
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Thread: Cheapest AIS Reply to Thread
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Topic Review (Newest First)
11-25-2009 04:08 AM
wind_magic You might check out the SR161 from Milltech Marine, outputs rs-232 serial data, about 190$us. That way you are not tying up a processor, a radio, etc, and it is only 60$us more.

(Edit - I tried to put a link to the page but Sailnet messed the link up)
11-25-2009 02:25 AM
searchengineplacement101
Quote:
Originally Posted by marigrace View Post
Hi All,
I am interested in AIS, but the cheapest way possible.
(AIS is Automatic identification system. For those of you who are not aware of this yet; It is an ANTI COLLISION SYSTEM FOR COMMERCIAL SHIPPING USED WORLDWIDE.)
We don't need a transponder, just a receiver that outputs to a laptop so I can find ships' GPS positions, heading and speed, who enter my security circle, which is set on a 20NM radius.
Yep, you guessed right, I am the navigator on our boat.
AIS data is transmitted on Ch 87 & 88 VHF and seeing we have 2 VHF radios and 3 laptops o/b; I thought that there must be a way to utilize our equipment, without buying more electronic boxes.
I've been looking around for months, on the internet for something.
When we were on the hard in New Zealand and talking to some locals, who put us in contact with a company here in Tauranga.
These guys put an audio filter in the radio.
The filter distinguishes between AIS data and interference.
It ouputs to the laptop and presto, we've got a pretty cheap AIS receiver. I'm not sure how it actually works, but it does.
We had this installed a month ago.
Included came heaps of usefull software on a dvd They even installed the software on all our laptops. We paid $130US.
this is really great to hear..i will check this out, maybe if it fits with my budget i will get one..
thanks ^_^
11-20-2009 06:05 PM
tpendes
Nasa AIS

Quote:
Originally Posted by barnakiel View Post
NASA.

If you have a laptop then their black box unit, if not then the one with screen. I think in the US Sitex sold them, but NASA is still in the UK.

b.
Just bought one from cactusmarine.com. just go to their site and search for nasa ais. $200 it's a nice little unit and comes with free software for pc. Also bought the rubber ducky antenna just for this unit $50 with wiring, much simpler then a VHF splitter.
11-17-2009 06:39 PM
MJBrown Just paid $435 for an ICOM5000 receiver only from Defender. I believe it was a boat show special.
11-09-2009 05:18 PM
barnakiel NASA.

If you have a laptop then their black box unit, if not then the one with screen. I think in the US Sitex sold them, but NASA is still in the UK.

b.
11-09-2009 04:37 PM
rikhall
Quote:
Originally Posted by wookie View Post
I wish to install AIS on my ketch i intend to have a dedicated ariel on the Mizzen mast what type is recomended?
Because AIS transmits in the VHF range, I bought a new VHF mast top antenna and moved the old one to the radar pole. The old one works perfect for receiving AIS and the new one give me an even better signal on VHF.

Cheers

Rik
11-07-2009 08:44 AM
night0wl West Marine recently lowered the price on their Clas B unit. Send and recieve box...$499. I think its the best price for a Class B unit. You can use discount codes and free shipping and west rewards to get it down another 10-20%.

West Marine: AIS-1000 Class B “Send and Receive” AIS Transponder Product Display
11-07-2009 07:41 AM
mintcakekeith I bought a NASA ais unit and find it ideal for my needs. it does not output to computer etc which is a shame but being oldfashioned I prefer stand alone units.
08-25-2009 10:25 AM
bartvdv fyi: AIS is NOT better than a radar, it is different.
Fishermen and other yachts might not have a transponder.
And ships with an AIS are not obliged to switch it on.
AIS is only supplementairy info and a nice add-on.
08-21-2009 04:04 AM
wookie I wish to install AIS on my ketch i intend to have a dedicated ariel on the Mizzen mast what type is recomended?
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