I thought it was interesting that CarWow could not get their GPS to work in the G15. I have mixed results with GPS devices and the front windscreen in my M850i.
In the dead centre of the front screen I can get GPS for my Blackvue, but cannot get a signal for the Cheetah C500 anywhere in the front, and need a external antenna that leads to the rear window. From there I get a perfect GPS signal. My iPhone picks up GPS anywhere in the front of the car.
Does anyone else see different GPS reception for different devices? I did wonder if the CarWow test was subject to the same GPS signal discrimination?
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