https://www.fcc.gov/consumers/guides/911-wireless-services https://www.fcc.gov/consumers/guides/911-wireless-services "Phase II E911 rules require wireless ser

https://www.fcc.gov/consumers/guides/911-wireless-services https://www.fcc.gov/consumers/guides/911-wireless-services "Phase II E911 rules require wireless service providers to provide more precise location information to PSAPs; specifically, the latitude and longitude of the caller. This information must be accurate to within 50 to 300 meters depending upon the type of location technology used."