Originally Posted by
noglider
It helps a lot to understand at least a little of how this stuff works. That way, your expectations will be reasonable.
I think that, at the moment, GPS use on a bike is in between using it the car and hiking. For use in cars, one can get away without knowing anything more easily. That's not really the case when hiking.
Originally Posted by
noglider
Jeez, those satellites are very high, and the signals we receive from them are very weak, and I assume the math the units use to calculate position is tricky. We have to expect some errors.
The math, actually, isn't a problem at all.
Originally Posted by
noglider
That the system works as well as it does is a miracle to me. Some people see electronics as magical and therefore expect perfection.
Most people base their experience on using the devices when driving. The fact that that tends to favor fast/large roads and cars being fast, obscure or work around the "glitches" people see when cycling.