Patent ID: 8589201

Claim:
A locate receiver to detect a presence or an absence of an underground facility, the locate receiver comprising: a housing; an RF antenna for receiving a magnetic field and outputting an output signal; a processing circuit, for receiving the output signal from the RF antenna and determining a magnetic field strength of the magnetic field; a display device coupled to the housing; at least one memory; and at least one processor, coupled to the processing circuit, the display device and the at least one memory, configured to: display on the display device a map image that is generated based on first map data that comprises facilities map data and is selected by the at least one processor; and compare, by the at least one processor, a first location at which an indication of detection of the underground facility is generated to a second location of a facility line as indicated by the first map data and generate an alert based on a disagreement between the first location and the second location.