Electronic hardware, namely, digital and electromagnetic receivers and transmitters for collecting, transmitting, receiving, analyzing, storing and presenting information on underground objects and related parameters; Electronic hardware, namely, digital and electromagnetic receivers and transmitters for collecting, transmitting, receiving, analyzing, storing and presenting physical positioning data; Digital and electromagnetic Receivers, digital and electromagnetic transmitters and electronic digital display interfaces for collecting, transmitting, receiving, analyzing, storing and presenting information on underground objects and related parameters; Electronic display interfaces; Electronic navigational and positioning apparatus and instruments