Able to receive signals from all existing and planned satellite constellations (GPS, GLONASS and the European Union's Galileo system), the GR-3's 72 universal channels can track up to 36 satellites simultaneously. Powered by two rechargeable lithium-ion batteries (3900 mAh, 7.2V) that provide 14 hours of operation between charges, the unit also has an extra battery mounting location and accepts AA batteries for emergency operation. Batteries can be “hot-swapped” during operation without loss of signal or position lock. A dual lithium-ion battery smart charger handles the delicate task of charging the batteries and doubles as an external power source.
One way to keep a Formula One racing team moving at breakneck speed in the pit and at the test facility is to bring CAD drawings of the racing vehicle’s parts down to the test facility and even out to the track.
Most of us would just as soon step on a cockroach rather than study it, but that’s just what researchers at UC Berkeley did in the pursuit of building small, nimble robots suitable for disaster-recovery and search-and-rescue missions.
Design engineers need to prepare for a future in which their electronic products will use not just one or two, but possibly many user interfaces that involve touch, vision, gestures, and even eye movements.
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