U-Blox SuperSense GPS Weak Signal Tracking

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Randy Savicky
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U-Blox SuperSense GPS Weak Signal Tracking

I've become quite dependent on my GPS solution (Destinator 3.0 running on an iPaq), which has allowed me to throw out all the maps in my glove box. Unfortunately, I had one very bad experience trying to rely on my GPS when I was driving through the streets of Manhattan during a downpour. As it is, the tall buildings in NYC weaken the GPS signal strength, but during a rainstorm you can forget about it - I couldn't get a GPS lock. I was completely and totally lost in the streets of Manhattan on a Friday evening trying to get back home to Connecticut during rush hour traffic (the worst possible traffic day & time). I had no idea if I was heading further into Manhattan or out of it. It turns out I was headed further into the depths of traffic hell, which was moving at an average speed of 0.7mph. Curses you GPS receiver! CURSES! Why can't you be more sensitive? It took me 2 hours just to get out of the City. Well, I can't have this happen again, so I tried to find a better GPS receiver and came across one from u-blox that actually can work indoors! u-blox claims the SuperSense Weak Signal Tracking technology built into its latest ANATARIS GPS delivers "unparalleled" reception, including -158dBm for tracking and -142dBm for acquisition. They even claim the receivers can work from within the glove box of a vehicle, deep urban canyons, through thick tree coverage, and even while traveling through short tunnels. I've gotta get me one of these! : ) Here's what they say on u-blox's website: Interiors of buildings, train stations, airports and locations with obstructed views to the sky are a major challenge for uninterrupted GPS reception and accurate position calculations. In such cases, the GPS receiver must detect the weakest scatter signals perceivable in a place with impaired or sometimes no views to satellites. SuperSense provides unparalleled sensitivity while maintaining best-in-class position accuracy, whether standing still, walking or driving. SuperSense for ANTARIS GPS receivers from u-blox is ready to set a new benchmark in this key technology suitable for location-aware consumer and professional products. Benefits and Features Tracking sensitivity: -158 dBm Acquisition sensitivity: -142 dBm Unparalleled positioning accuracy Excellent dynamic navigation performance Minimized position drifts during extended weak signal periods Ultra-low power consumption maintained when receiving weak signals SuperSense maintains standard ANTARIS features like SBAS (WAAS and EGNOS), FixNow and Aiding The TIM-LH SuperSense, available in early 2005, is u-blox's first GPS module containing this new break-through technology providing highest GPS coverage ever combined with lowest power consumption. Uninterrupted GPS reception even in short tunnels to achieve highest possible GPS coverage Coverage inside buildings, train stations and airports Excellent navigation coverage underneath dense foliage and snow-covered trees Flexible placement of antenna enables hidden 'under-the-seat' and 'in-glove-box' tracking device



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