[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 $ ...

Fast GPS tags provide highly accurate positional ... 2009). Satellite-Relayed Data Loggers (SRDLs) are tags that record an individual's location, speed, dive depth, and temperature of surrounding ...

A team of researchers from the UK, Germany, and Austria trained 14 captive birds to migrate from Austria to Italy while fitted with high precision GPS data loggers to record their relative position in ...