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2006 Honda Civic Navigation System GPS Data Viewing

Back in late 2005 when I purchased my current car, a 2006 Honda Civic EX, I found that the built-in navigation unit could record log files to a PC Card. Knowing nearly nothing about reverse engineering data files I gave up on the idea of using them for anything. Fast forward to a few months ago, and while poking around with GPSBabel for converting some mountain bike trail mapping data I noticed that it supports Honda/Acura Navigation System VP Log File Format (vpl), the format that I’d hoped to interpret all those years ago. The most basic, latitude/longitude parts of the format are documented here in vpl.cc.

This morning I dug out a 512MB compact flash card and PC Card adapter, fitted it in the navigation unit, and used the hidden menu to enable logging. After grabbing the log file and running it through GPSBabel the end result is just what I’d hoped for: easy logging of wherever my car happens to go.

While it’s not terribly interesting to see the routine, boring local trips that I make, I am interested in recording a month’s worth of data and making a heat map, or perhaps visualizing a long trip I may take. This’ll be fun to play with, I only wish I’d noticed the converter sooner.

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