Patent ID: 6920328

Claim:
An electronic system for managing location and event information for members of a defined group, said system comprising: a plurality of portable electronic devices possessed by the group members, each electronic device including: a display device operable to display information; and means for processing, storing, and wirelessly communicating data; a software program stored in each portable electronic device, each software program operable to: receive locally input data and wirelessly communicated remotely input data from other portable electronic devices; store, process, and update personal profile, event, time, and location information of all group members; convert location information into coordinates of a graphic map for display; and display coordinates of each member's portable electronic device in a map image to indicate the location of each group member; and at least one earth orbiting satellite device operable in cooperation with each portable electronic device using remote sensing technology to: determine location coordinates of said portable electronic devices; and broadcast synchronization messages received by each portable electronic device to each other portable electronic device, causing said software program stored in each electronic device to update said personal profile, event, time, and location information stored in said electronic devices so that each group member is provided with updated information as to the other group members and member events.