[Steve Cholewiak] sent in his diy GPS data logger. It uses an old DeLorme tripmate – these were serial gps units that ran off of internal batteries. A PIC controller reads the NMEA sentences ...

He has built the basic GPS data logger using an accelerometer, a GPS unit, and a BS2P microcontroller. The overall weight is 62 grams and it can record for the whole 5 minute flight. At roughly $ ...

It can be automated using a data logger connected to a rubber hose stretched across ... The method employed in the University of Michigan study used connected car data—basically GPS speed, direction, ...