ABSTRACT: This is the user guide of the Maury Microwave 2.4mm Coaxial Calibration Kit for models-7950CK30-31. This series of 2.4mm the DC to 50.0 GHz coaxial calibration kits is designed to provide accurate calibrations of network analyzers in range. Each of these kits includes all the necessary calibration standards and associated hardware needed for the accurate calibration of most network analyzers.