Thalesnow offersdifferential corrections for the MobileMapper CEvia NTRIP and direct IP. Current owners of MobileMapper CE can update their software to Version 1.5 for free at The MobileMapper CE handheld GPS receiver offers real-time, submeter GPS positioning, embedded Microsoft Windows CE .NET, Bluetooth wireless technology, removable SD card memory and an all-day removable battery. (Thales, San Dimas, Calif.)