The individual will get the system that meets their individual needs. In the systems that I have seen in use they all do pretty much the same thing. We use the Garman GPS-18 that is a hocky puck sized receiver that connects into our Lap top PC.It does the job. Our rational for going that way was that we have the verizon aircard and we carry the PC in the truck with us as we have internet connection most of the time and use it to find C.G,s fuel stops, Etc so the PC serves a dual purpose..GPs connection and internet connection..The large screen display does not hurt.
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