Capturing NEMA Data from a GPS

Anyone out there know how to make a program like Excel (or whatever) capture NEMA data from the GPS and put it into a spread*** or database. What I'm trying to do is set up some kind of an auto ship's log so that when I'm sailing the GPS will create a log for me every 15 min or 30 min or whatever. My old Nobletec nav program had that capability but I've recently switched to Fugawi and I don't get a log book from it. My GPS currently imputs info to my laptop and Fugawi, I just haven't figured out if that info can be captured along the way and utilized by another program to accomplish what I'm trying to do.
Ed
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