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Global Positioning System: Difference between revisions
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*'''[[E911|Emergency]] and [[Location-based services]]''' — GPS functionality can be used by [[emergency services]] to locate cell phones. The ability to locate a mobile phone is required in the United States by [[E911]] emergency services legislation. However, as of September 2006 such a system is not in place in all parts of the country. GPS is less dependent on the telecommunications network [[topology]] than [[radiolocation]] for compatible phones. [[Assisted GPS]] reduces the power requirements of the mobile phone and increases the accuracy of the location. A phone's geographic location may also be used to provide location-based services including advertising, or other location-specific information. | *'''[[E911|Emergency]] and [[Location-based services]]''' — GPS functionality can be used by [[emergency services]] to locate cell phones. The ability to locate a mobile phone is required in the United States by [[E911]] emergency services legislation. However, as of September 2006 such a system is not in place in all parts of the country. GPS is less dependent on the telecommunications network [[topology]] than [[radiolocation]] for compatible phones. [[Assisted GPS]] reduces the power requirements of the mobile phone and increases the accuracy of the location. A phone's geographic location may also be used to provide location-based services including advertising, or other location-specific information. | ||
*'''[[Location-based game]]s''' — The availability of hand-held GPS receivers has led to games such as [[Geocaching]], which involves using a hand-held GPS unit to travel to a specific [[longitude]] and | *'''[[Location-based game]]s''' — The availability of hand-held GPS receivers has led to games such as [[Geocaching]], which involves using a hand-held GPS unit to travel to a specific [[longitude]] and latitude to search for objects hidden by other geocachers. This popular activity often includes walking or hiking to natural locations. [[Geodashing]] is an outdoor sport using [[waypoint]]s. | ||
*'''Aircraft passengers''' — Most [[airline]]s allow passenger use of GPS units on their flights, except during landing and take-off when other electronic devices are also restricted. Even though consumer GPS receivers have a minimal risk of interference, a few airlines disallow use of hand-held receivers during flight. Other airlines integrate aircraft tracking into the seat-back television entertainment system, available to all passengers even during takeoff and landing.<ref>Joe Mehaffey. [http://gpsinformation.net/airgps/gpsrfi.htm Is it Safe to use a handheld GPS Receiver on a Commercial Aircraft?]. Accessed [[May 15]], [[2006]].</ref> | *'''Aircraft passengers''' — Most [[airline]]s allow passenger use of GPS units on their flights, except during landing and take-off when other electronic devices are also restricted. Even though consumer GPS receivers have a minimal risk of interference, a few airlines disallow use of hand-held receivers during flight. Other airlines integrate aircraft tracking into the seat-back television entertainment system, available to all passengers even during takeoff and landing.<ref>Joe Mehaffey. [http://gpsinformation.net/airgps/gpsrfi.htm Is it Safe to use a handheld GPS Receiver on a Commercial Aircraft?]. Accessed [[May 15]], [[2006]].</ref> | ||
