| 摘要 |
An ultraviolet radiation indicator system includes a wireless telephone adapted communication with a wireless communication network having a positioning system, such as an enhanced emergency services function. A plurality of radiation sensors that sense ultraviolet radiation are arranged in predetermined areas. The radiation sensors are adapted for communication with the wireless communication network. The wireless communication network provides at least an ultraviolet radiation index (UV index) based on readings from the sensors located closest to the wireless telephone, with the UV index being transmitted to the wireless telephone. In the event the wireless telephone is far enough away from the closest sensors to cross a threshold, then the user is sent general information from the Weather Bureau for a particular geographic designation, such as a zip code, city, portion of city, etc. The ultraviolet radiation indicator can provide the UV index to the wireless telephone upon a user request received from the wireless telephone, or the user may subscribe to the surface. Alternatively, the user may receive unsolicited updates for a period of time subsequent to the first request, or when conditions change significantly.
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