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  • 6. Frequency is Induced Current

    This video explains how line segments, signal splits, transmitter frequency, and the path of least resistance affect utility locating, highlighting how inductive locating and remote couplers can help isolate target cables and improve signal accuracy.

  • 7. Depth

    This video explains how to analyze electromagnetic signal shape using peak and null readings, verify field symmetry, and understand how receiver antenna measurements calculate digital depth and influence underground utility locating accuracy.

  • 8. Current Can't Travel Through Air

    This video explains how receiver milliamp readings are estimated from signal strength and depth, how they relate to transmitter current, and how monitoring changes in depth, peak readings, and signal strength helps identify utility conditions and improve locating accuracy.