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Old 05-02-2014, 11:51 PM   #81
twistedtree's Avatar
City: Gloucester, MA
Country: USA
Join Date: Jan 2013
Posts: 2,057
Originally Posted by Wxx3 View Post
On a related note, for a combo vhf/ais attenda? Good idea or keep them separate? THis is asked bc I think I have a problem with my current attenda in any case.
I prefer separate antennas. Not having a combiner box is one less thing to buy and one less thing to go wrong. And separate antennas helps ensure that a problem with one system doesn't impact the other system. It's more work to install, but you only have to do it once and it's done. Separate antennas might be more expensive too if the antenna combiner is built into the AIS unit or otherwise included, but an antenna isn't that expensive to begin with, so I think the cost difference shouldn't be a huge deciding factor.

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Old 05-06-2014, 06:40 PM   #82
City: Tuckerton, NJ
Country: USA
Vessel Model: 36 Gulstar MarkII
Join Date: Mar 2011
Posts: 937
I have been using a NAVICO AIS Class B NMEA2000 transponder with my Garmin MFD's and Garmin VHF200 radios for at least 4 years. I like the way it integrates and works very well for a total integrated package. I have noticed the number of transponder equipped vessels is growing every year. When used in conjunction with Radar it sees around corners where the Radar doesn't. As far as the clutter debate I have never been ignored by a large mandatory Class A vessel when I have hailed them.
I wish more vessels were equipped with transponders. I don't count on the AIS to see targets that are not equipped with it, but the vessels that are equipped make cruising and identification a breeze.
I prefer seperate antennas for the VHF radios and the AIS. In fact I use an AIS antenna specifically tuned for AIS.

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ais, chartplotter, vhf

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