Lord Satri writes: "When my father sent me a short french-written article about this, I though it was wrong, but Infoworld offers a short article about a new GPS chip which uses two satellite navigation services and will operate in indoor environments. From the article: "The u-blox 5 chip, which Switzerland's U-blox plans to unveil at the 3GSM World Congress event in Barcelona next month, uses two global navigation satellite services: GPS, which was developed by the U.S. Department of Defense, and Europe's Galileo, the vendor said Wednesday. The technology has a tracking sensitivity of -160 dBm, which enables indoor coverage. The abbreviation dBm represents the power ratio in decibels (dB) with respect to 1 milliwatt (mW). With a power consumption of less than 50 mW, the u-blox 5 chip allows GPS-enabled mobile phones and other wireless devices to operate in difficult indoor environments, such as shopping malls and train stations." This and the upcoming much cheaper and better performance option for mobile phones and other hand-held devices will help location-based services to reach mass market."
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