Join Date: Oct 2009
Location: Swarthmore, PA
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Re: 2017 Sailing Season on the Chesapeake
For those with problems wiring your GX2150 (or other AIS receiver/transponder running NMEA0183 protocol) to your helm station, I'll point out that NMEA0183 (based on RS422/232 protocol) transmits very nicely over Bluetooth running Serial Port Protocol. You need a Bluetooth transmitter at the radio, and a second receiver at the helm station which, if you're using a tablet with chartplotter software, might already be built into the tablet. And, of course, once the tablet gets the data wirelessly, you can take it anywhere on the boat - at the helm or under the dodger based on weather conditions.
This is the setup which I had in my prior boat, and I stripped it off and will be moving it to my current boat this spring.
Bluetooth isn't the only way to do this - Wifi adapters can also be used.
I'm less familiar with NMEA2000, except that I know that it is based on the CAN bus automotive protocol, so I suspect that there would be adapters that could put that over Wifi also (though probably not Bluetooth).
So much is wireless these days, fighting these wiring issues through a pedestal guard seems so 20th century.
Unfortunately, my Standard Horizon RAM mic has to be hardwired, so I need to fight the wiring problem for that. But not for my AIS or other instruments - that will all be wireless.
Rick S., Swarthmore, PA
USCG Certified Captain, OUPV and 50 Ton Master
ASA Certified 101/103/104/105/106
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2001 Catalina 34MkII Tall Rig Wing Keel Breakin' Away, Universal Diesel M35B, Mantus 35 lb. anchor, sailing out of Rock Hall Landing Marina