Only allow client to record roads if GPS accuracy is less than 20m
There are far too many unnamed and named roads running parallel to each other due to poor GPC accuracy. Please make the client disallow recordings to start or automatically stop recording if GPS accuracy drops below an agreed threshold.
Withhold Seth commented
NMEA version checking, too?
Excellent if 7 or 8 meters
Safely Driven Quickly commented
20 meters is too generous
Constrain submissions to
Some phones cannot offer such a low error rate: they shouldn't be submitting map updates!
this is very important for quality of the application,
although many people are not aware of this problem