Location Estimate

Location Estimate, in the context of location information to support IP based emergency services, is the approximate physical position of an IP end-point expressed in either civic or geodetic form usually accompanied by a degree of uncertainty. The degree of uncertainty may be expressed by a reduction in precision. For civic locations this equates to the number of fields specified while for geodetic locations it equates to the definition of an area or volume specified as a shape.


 * NENA 08-752, NENA Technical Requirements Document (TRD) for Location Information to Support IP-Based Emergency Services
 * NENA 08-505, NENA Recommended Method(s) for Location Determination to Support IP-Based Emergency Services - Technical Information Document (TID)