Magnetic utility locators for locating hidden or buried utilities using magnetic field sensing; integrated buried utility locating transmitter and antenna devices for generating dipole magnetic fields; battery powered dipole magnetic field generators; battery powered modulators for generating modulated data for transmission as a dipole magnetic field signal;computer hardware and software for generating maps of hidden or buried utilities; computer hardware and software for providing displays of information associated with hidden or buried utilities; computer hardware and software for processing received magnetic field signals and extracting data therefrom; buried utility magnetic sensing locators for receiving and decoding magnetic field signals with integrated data; computer hardware and software for receiving magnetic field signals with integrated audio or video signals and extracting and storing the audio or video signals; computer hardware and software for receiving sensor data and generating magnetic field signals that include the sensor data; computer hardware and software for receiving audio signals from microphones or other audio sensors and generating magnetic field signals that include the audio signals; computer hardware and software for receiving video signals from imaging sensors and generating magnetic field signals that include the video signals