Magnetic utility locators for locating hidden or buried utilities using sensing of magnetic field emitted from currents flowing therein; computer hardware and software for generating maps of hidden or buried utilities based on sensed magnetic field signals; computer hardware and software for providing displays of information associated with hidden or buried utilities based on sensed magnetic fields; computer hardware and software for processing received magnetic field signals and extracting data associated with hidden or buried utilities in video inspection systems; buried utility magnetic sensing locators for receiving and decoding dipole magnetic field signals with integrated data for use with video inspection systems; computer hardware and software for receiving dipole magnetic field signals with integrated audio or video signals and extracting and storing the audio or video signals for use in video inspection systems; push cable attachment mechanisms for detachably coupling dipole magnetic field generators to push-cables; video inspection systems consisting primarily of camera control units (CCUs), push-cables, camera heads, and magnetic field dipole sondes for use in inspecting pipes or other cavities