Top GPS Guide

Global Positioning System satellites transmit signals to equipment on the ground. GPS receivers passively receive satellite signals; they do not transmit. GPS receivers require an unobstructed view of the sky, so they are used only outdoors and they often do not perform well within forested areas or near tall buildings. GPS operations depend on a very accurate time reference, which is provided by atomic clocks at the U.S. Naval Observatory. Each GPS satellite has atomic clocks on board.

MTI MicroFuel Cells is showing off a new handheld GPS device prototype that uses its Mobion embedded fuel cell for power. A typical GPS powered by AA batteries can last for days of use. MTI says that its Mobion powered GPS device can run for weeks. The fuel cell provides enough power for 60 hours of continuous use.

Another really cool feature of the prototype device is that it features a USB port so you can use it to charge anything that recharges via USB from cell phones and MP3 players to your digital camera. The Mobion fuel cell can also be immediately charged by adding more methanol to the cell. There is no word on pricing or availability at this time.

MTI Micro president and CEO Peng Lim said in a statement, “MTI Micro is exploring the integration of our Mobion? platform with GPS devices as part of our strategy to bring micro fuel cell technology to a wide range of portable consumer electronic device market segments.

Battery life is a key issue with handheld GPS devices, especially as manufacturers add advanced energy-hungry features to new models, such as larger full color screens. Our Mobion? powered GPS prototype will provide handheld GPS users such as hikers and campers, travelers, boaters, pilots and other sports enthusiasts the peace of mind of much longer usage time and will help them do away with the expense, bulk and environmental unfriendliness of conventional batteries.”

Finally GPS units are a great tool and a fun gadget to use while in the outdoors. Never assume that a GPS unit will prevent you from being lost or be a substitute good navigation skills. Good map and compass skills are a must in the outdoors and should be learned prior to your backcountry adventure. However, using a GPS unit in addition to good map and compass skills will make your navigation fun, and will help ensure you never lose your way on the trail.

Tags: aa batteries, amp, atomic clocks, battery life, cell phone, ces, color screens, compass, conventional batteries, forested areas, fuel cell technology, gadget, global positioning system, gps, GPS Device, gps devices, GPS News, gps operations, gps receiver, gps receivers, gps satellite, gps unit, gps units, gps users, map, market segments, micro fuel cell, navigation skills, nvi, outdoo, peace of mind, prototype device, receivers, satellite, satellite signal, satellite signals, satellites, sports enthusiasts, system satellites, tall buildings, time reference, u s naval observatory, usage time, usb port, vat, vent

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Posted on May 5th, 2008 by admin
Filed under: GPS News