Patent ID: 8527308

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 indicative of the presence or the absence of the underground facility; at least one sensor, coupled to the housing, to output first geographic information indicative of at least one geographic location of the locate receiver; a display device coupled to the housing; at least one memory; and at least one processor, coupled to the processing circuit, the at least one sensor, the display device, and the at least one memory, the at least one processor configured to: display on the display device a digital image that is generated based on the at least one geographic location of the locate receiver and based on digital image data including at least one of facilities map data, survey map data, land survey data, photographic image data, construction drawings, and engineering drawings; and overlay on the displayed digital image, based at least in part on the first geographic information output by the at least one sensor, a plurality of electronic markings indicating respective geographic locations of the locate receiver, and detection of the presence or the absence of the underground facility at the respective geographic locations of the locate receiver.