Yeah, but my phone on a vent mount works fine for that.
Usually on any trip that brushes up against usable range, I do the math kind of backwards. I know the distance for the trip, and know how much buffer I have. Then I just look at the trip distance elapsed, compared to the GOM, and if they are roughly 1:1 I know I’m trending well.
Usually on any trip that brushes up against usable range, I do the math kind of backwards. I know the distance for the trip, and know how much buffer I have. Then I just look at the trip distance elapsed, compared to the GOM, and if they are roughly 1:1 I know I’m trending well.