Coil Constant for 25DQB26_CH4 Wire Run1 Str Run4 using magnet LCLS Quad 4267 New Calibrated Coil Constant = 636013.71124, File coilpar.ru (Old) Coil Constant = 635054.32329 New Constant/Old Constant = 1.0015, Old Coil Radius = 0.0029972, New Radius = 0.0003135, Number of coils = 4 (Only change radius if Number of coils = 1!) Wire Strength = 0.721411 T, Coil Strength = 0.720322 T, Magnet Type is Quadrupole at Imag = 6.000 for coil. Number of Coil Turns = 8 Coil Constant Calculated from radius, turns and magnet order = 6957.4256 (Should be within 5% of Calibrated Coil Constant)