Billingsley Aerospace & Defense is very pleased to announce the incorporation of touch screen technology on our very popular APEX-CS Helmholtz Controller and Magnetic Calibration System. This upgrade eliminates the need for a keyboard to apply desired magnetic fields for this system. The APEX-CS is un-rivaled. It is a powerhouse magnetic field calibration and control system used worldwide by companies needing to perform in-house magnetic field characterization and measurement.