enhanced 911 e911 assisted gps a gps is one of the solutions such gps techniques are described in standard specification documents such as tia eia is 801 1 of november 2000 during a voice call involving mobile station 102 real time gps location information may be obtained and sent to a receiving entity to obtain the gps location information mobile station 102 operates with gps system 154 as well as location server 190 in wireless communication network 104 conventionally mobile station 102 obtains gps acquisition assistance data and uses it to perform what is referred to as a u201c gps fix u201d during a voice call for the gps fix mobile station 102 tunes to a gps signal frequency of gps system 154 which is different from the traffic channel frequency of the voice call during the gps fix mobile station 102 performs gps pseudorange measurements based on gps signals received from gps system 154 after the gps fix mobile station 102 retunes back to the traffic channel of the voice call sometime during the voice call mobile station 102 sends the gps pseudorange data to location server 190 which derives the location of mobile station 102 based on it location server pde 190 may send this location information to the receiving entity and or to mobile station 102 if received by the mobile station mobile station 102 may send the location information to the receiving entity note that using the conventional method mobile station 102 may have to tune away from the voice call one or more times and for each time from anywhere between 300 milliseconds to 2 seconds.