Lets back up in this. So none of you MFDs have a GPS receiver built in or attached to them. Yes? You just want one external GPS receiver?
From my experience, anything hanging off the N2k network that is sending data the whole network/backbone should see it. The other question is, is that receiving device setup to receive that data. Some MFDs in its settings, you can pick which sending device to accept and ignore others.
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Iggy
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