Coil Constant for DC55 Coil A using magnet QS1 Old Coil Constant = 152.9195, Old Coil Radius = 0.0163400, New Constant/Old Constant = 0.9986 New Calibrated Coil Constant = 152.71057 New Radius = 0.0163487 , Number of Turns = 49 Magnet Type is Quadrupole at Imag = 474.984 for coil Calculated Coil Constant = 152.8727