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hi


You are replying to:
Big Perc
Posted 2/19/2009 7:53 PM (#361666 - in reply to #360943)
Subject: RE: external and internal gps on a fishfinder?




Posts: 1185


Location: Iowa		Having an internal GPS can be good and bad at the same time. The bad is that if you have internal and you mount your system up under a windshield similar to a lund style you can run into problems with the connection being clear at all times however when mounted to the front near a trolling motor there is that much less wiring you have to mess with. The external antenna allows you to mount the system anywhere on the boat and play with the margin for error that is accompanied by gps recievers. You can actual drastically shrink the margin for error with a gps determined postion by moving the external reciever around to different locations of the boat until the best margin for error is determined. I have seen as low as 7 ft variance on some professional fishermans boat like Johnnie Candle and Jim Carroll. It is really quite remarkable to see when done correctly. Johnnie is a humminbird guy and Jim a Lowrance. I have learned a ton from them over the past year.

Big Perc

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