it should be understood that a typical communication system includes more than three base stations and two mobile switching centers but these amounts are shown for clarity cellular coverage monitor ccm 106 is a computer that is able to receive location and service data from mobile unit 110 preferably via an sms message alternately ccm 106 receives the location and service data via a message sent via a base station and an msc ccm 106 also includes a processor for processing and correlating data received memory for storing data and an output port for outputting data ccm 106 can be a stand alone unit or could be included in an msc or an noc network operations center service coverage display scd 107 is an output device that displays preferably via a graphical user interface data from ccm 106 scd 107 can be a monitor or the like scd 107 can be a stand alone unit or can be incorporated into ccm 106 gps satellite 108 depicts one of several space based global navigation satellite system that provides reliable location and time information anywhere on or near the earth although only one satellite is depicted for clarity the gps system includes a plurality of satellites and a user needs to have an unobstructed line of sight to four or more gps satellites in accordance with an exemplary embodiment mobile unit 110 is gps enabled at a first time mobile unit 110 is located within the coverage area of base station 101 at a second time mobile unit 110 is located within.