Patent ID: 6850188
Filing Date: 2005-02-01
Classification: H04B

Abstract:
1. A portable GPS/radio unit capable of communicating with at least one other portable GPS/radio unit over a wireless radio network, the GPS/radio unit comprising: a GPS receiver for receiving satellite signals from a plurality of satellites; a processor coupled with the GPS receiver for calculating a location of the GPS/radio unit as a function of the satellite signals; a radio transceiver coupled with the processor and operable for a display coupled with the processor and operable for displaying an indication of the location of the GPS/radio unit, an indication of the location of the other GPS/radio unit, and an indication of a distance between the GPS/radio unit and the other GPS/radio unit, wherein the indication of the distance between the GPS/radio unit and the other GPS/radio unit comprises a plurality of radii rings surrounding the indication of the location of the GPS/radio unit, wherein each of the radii rings is representative of a particular distance from the GPS/radio unit, and wherein the distance represented by each radii ring and a number of radii rings displayed may be selected and changed.