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post #5 of Old 03-23-2013
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Re: Standard Horizon Matrix AIS+ GX2150

I have one. I love it. I also have the RAM mic, which is a great addition for a variety of reasons:

- You don't want to go into the cabin in an emergency
- It duplicates the main unit's display, so you can see a graphical representation of the AIS targets (though not as high-res as a chartplotter would show)

Please note that you do NOT need a full chartplotter to get AIS/DSC functionality. All you need is a GPS signal. I hear about people hooking up their handhelds to it, but not sure what adapter cables are needed, since most GPSs have USB and the radio expects to get RS422 or RS232 serial hookup. Here's what I used, and it provides a dedicated signal to the radio, which I believe is the most reliable possible situation:
So in addition to the radio, you MUST have GPS signal, either from a current chartplotter or handheld (if you have them) or the GPS dongle that I recommend ($64) If you use the Garmin puck that I recommend, you'll need to supply 5v to the unit which will cost a few dollars to convert from your 12v system. [EDIT: Oops, I didn't see that you already have a chartplotter. You can ignore this part.]

The RAM mic is not absolutely required, but if you can spare the ~$100 it's a good addition.

My own setup includes Bluetooth transmitters to send all the stuff to a computer or tablet wirelessly. It's probably way more complicated than any sane person would want to do.

Rick S., Swarthmore, PA
USCG Certified Captain, 50 Ton Master and OUPV
ASA Certified 101/103/104/105/106

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2001 Catalina 34MkII Tall Rig Breakin' Away, Universal Diesel M35B, Mantus 35 lb. anchor, sailing out of Rock Hall Landing Marina
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