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.
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2001 Catalina 34MkII Breakin' Away (at Rock Hall Landing Marina)
PO of 1998 Catalina 250WK Take Five (new owners relocated to Baltimore's Inner Harbor)
1991 17' Trophy (Lake Wallenpaupack)
1985 14' Phantom (Lake Wallenpaupack)