Tooling Ball 1 to 2 Distance is greater than 2 microns, look at data!! 
Detector Length Diff  PD1 =  0.0005,  PD2 =  0.0000, PD3 =  0.0009, PD4 = 0.0067 

Quindos and Matlab X and Y Magnet center agree to < 1 micron 
Magnet Z Center is < 0.5 mm to Nominal value (253.1) 
            X          Y          Z        Roll       Pitch      Yaw  
          (mm)        (mm)       (mm)     (mrad)     (mrad)     (mrad)
Matlab   333.0920   262.7576   253.1000   -0.1391   -0.0479    0.8183 
Quindos  333.0924   262.7576   253.2078   -0.2033  
Diff     -0.00038   -0.00001   -0.10780   

                       Centered Tooling Ball values  
                         X          Y            Z        Roll     Pitch      Yaw   
                       (mm)        (mm)         (mm)     (mrad)    (mrad)    (mrad) 
Raw Matlab            167.1372    173.0555     0.1104   -0.1391   -0.0479    0.8183  
Quad Roll Matlab      167.1368    173.0556     0.1039 
Quad Roll Quindos     167.1368    173.0555     0.1039   -0.1452   -0.0105    0.8183   
Mechanical            167.1457    173.0728    -0.1236   -0.1391    1.2577    1.4204  
Error Matlab/Quindos    0.0006      0.0042     0.0042    0.0247    0.0557    0.0248 

Raw To Mech Diff      -0.0085    -0.0172     0.2339      0.0000   -1.3056   -0.6021  
QR to Mech Diff       -0.0089    -0.0172     0.2275     -0.0061   -1.2682   -0.6021   

QR to Mech Z Diff                         0.21947