US FCC moves to tighten wireless "E911" standards

(Reuters) - FCC commissioners voted to consider proposals to tighten
standards that wireless carriers must meet for the accuracy of
their so-called "E911" function, which allows public safety
workers to find someone who has dialed 911 from a cellular
telephone.




Under current standards, wireless carriers using some E911
systems must be able to determine a caller's location within
100 meters for 67 percent of the calls and 300 meters for 95
percent of the calls. Other systems are required to determine
location within 50 meters for 67 percent of calls and 150
meters for 95 percent of the calls.


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