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If you have a simnet to NMEA2000 adaptor you could use a MFD or NGT-1-USB to show the devices on the network to verify the network is functioning OK.

This exact situation is why the Furuno SCX20/21 sat compass is selling like hotcakes. Essentially perfect heading information at all times with no cha...

I use one of these. It's a USB gateway + software that simulates quite a few boating variables. Available from the website, or if you are a dealer, th...

Something like a vesper xb6000 has a green light that stays lit if all functions are normal (transmitting and receiving OK, antenna swr normal) You ...

Theverge is owned by vox which is owned by Comcast, so I'd expect some trash talk about this from a cable company. Really, a clear view of the s...

NMEA organization has certification classes onlines and in different places. Once you get the basics of boat wiring down, your IT networking skills ...

A transducer that connects to nmea2000 is something like this: Your B744V is designed to connect to a fishfinder.

Some of the newer Garmin you can update with an app on your cell phone. You could try that before dumping it. Really any of the really advanced integr...

Wayne, where are you located?

Consider it good that basic navigation and function of the boat is separate from your Internet. Perhaps an extra tablet for remote monitoring or navi...

Something like a precision9 compass uses magnetic compass to determine heading which is prone to interference in normal ways that GPS compass are not ...

@kram55 I would expect a closed dome to be more reliable than open array. Everything is well protected from corrosion and less wear and tear from a li...

@ben-ellison That sort of DC-DC converter is good. Nuc is good. Fanless is better; sometimes fans suck in condensation when the boat is damp... Dried ...

I think the future is contemporary ethernet. Top manufacturers are making radars and MFDs with this, and it's easy to add computers and black boxes. N...