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My Simrad NSS7 isn't finding a GPS signal. The unit is installed on a 20' Hewescraft Pro V. Thetop isn't up yet, so for now just the windshield over the unit. I would think the unit would be able to pick-up Sat signals. Tried the Simrad website, but no luck.

Question;
Do I need to install an external GPS antenna to get a signal?
Anyone else with the same issue on a new Simrad?

My pilothouse interferes too much with mine, had to mount a cabin top antenna. If all you have is a windshield frame then it should work. Have you selected the internal antenna as your designated signal source in your set-up menus?

I played with the plotter a little more and changed the setting to "This device". It works now. Thanks. I contacted Simrad several times and have yet to receive any help. Their website "Contact Us" page isn't much help. Their manuals could also use some help.