RTK (Realtime Kinematics) is another way to get accurate positioning from a GPS. It takes more computer power than an Arduino can supply but a Beagle Board (or maybe a Raspberry Pi) can run it:
RTK (Realtime Kinematics) is another way to get accurate positioning from a GPS. It takes more computer power than an Arduino can supply but a Beagle Board (or maybe a Raspberry Pi) can run it: