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Anyone else notice bad areas?

rcmcivor

For the most part the GPS works reasonable enough but theres some areas that I've riden that it can't figure out what it's doing. I've noted two town areas that I've had some very strange instructions displayed, it's happened a couple times in both areas so maybe not a coincidence. It did display my location and direction accurately so I assume there was good enough signal, it showed me on the route I mapped and was supposed to be on but it was trying to direct me off that route to a second route it was showing on the same screen. *** one time I told it to take me back to the starting point because it was getting late in the day, I was ~9km away from that point. It plotted a 167km course back that took me across a lake and back (it was unclear if it expected me to fly or swim lol). What's the glitch? I'm not sure if I should include more info? I took pics of the screen if that'll help, and can also show where the pics were taken.

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    It sounds like a map problem.  If your location is shown correctly the there is nothing wrong with the GPS.

    When you are navigating there are two lines on the map - the one you planned and the one the unit has calculated and generated the turns by following your planned route.  They usually line up so you don't notice there are two lines.  If for some reason your planned route goes through a location where the roads/paths don't join up or there is a barrier on the map you are using the unit cannot navigate you through the gap/barrier so will detour around the problematic point.  When this happens you will see the two lines on the map as they diverge..

    The route you planned is the narrow magenta line.  The one generated by the unit is the wide magenta line with the white turn arrows.

    Look at the OpenStrretMap map data in a OpenStreetMap editor.  Garmin maps are based on OpenStreetMap as are third party Garmin maps.  See if you can see what anything that might cause your Garmin to not route through the area in question.  If you can see an error you can fix it.  If you can't see an error you will have to hope there was one that has been previously fixed.  In either case you will have to wait until the fix makes its way into the update for the map you are using.

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    Yes, it sounds like a map issue.

    If you indicate where the problem happened, I'll look at it (and fix it, if it's an issue).