Tooling Ball 1 to 2 Distance is greater than 4 microns, look at data!! 
Detector Length Diff  PD1 = -0.0011,  PD2 =  0.0015, PD3 =  0.0026, PD4 =-0.0045 

Quindos and Matlab X and Y Magnet center agree to < 3 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   333.0923   262.7580   253.1000   -0.6819   -0.0574    0.5087 
Quindos  333.0938   262.7580   252.9692   -0.0218  
Diff     -0.00146   -0.00003    0.13085   

                       Centered Tooling Ball values  
                         X          Y            Z        Roll     Pitch      Yaw   
                       (mm)        (mm)         (mm)     (mrad)    (mrad)    (mrad) 
Raw Matlab            -167.3202    173.0870    -0.6224   -0.6819   -0.0574    0.5087  
Quad Roll Matlab      -167.3218    173.0869    -0.6285 
Quad Roll Quindos     -167.3218    173.0869    -0.6285   -0.6601   -0.0220    0.5086   
Mechanical            -167.3273    173.0919    -0.6178   -0.6601   -0.2127   -0.6381  
Quindos Error            0.0024      0.0121     0.0121    0.0705    0.1587    0.0706 

Raw To Mech Diff       0.0071    -0.0049    -0.0046     -0.0218    0.1553    1.1467  
QR to Mech Diff        0.0055    -0.0050    -0.0107     -0.0000    0.1906    1.1467   

QR to Mech Z Diff                         -0.03300