The Sonic sonde is fitted with one Piezoelectric transmitter and two receivers. Additional transmitters can be added to the configuration however advanced warning would be required for this to be arranged. The sonde is configured in modular form for easier transport and handling. Main uses are for Sonic Transit Time, CBL/VDL, and full waveform logs Output data can be imported to many standard formats SEG2 {Society of Exploration Geophysists}, with the most common being WellCad and Viewlog..