The only GPS I ever had prior to smart phones was very basic, for geocaching. Like Backwards Bill, it didn't know where it was going but seen where it's been. I think it was a Garmin, but wouldn't swear to it. When I decided wanted to use GPS on my bicycle, I had an iPhone and Strava was free. Now it works with BT accessories. Why even bother with adding another head unit?
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Genesis 49:16-17