Frank, yes I agree that GPS indoors (away from windows especially) is
about as useful as a solar-powered flashlight.

On LastKnownLocation... the fix can be inaccurate, even miles off.
This is the last fix the device had which might be the previous day or
older. I would discount LastKnownLocation to less than useful. In my
experience, the best way to use the location sensors is to turn both
on, listen to both and choose the one that has the most accuracy after
about 30 seconds. If only the coarse returns a result, then GPS is
unavailable.

-John Coryat

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