Tooling Ball 1 to 2 Distance is greater than 4 microns, look at data!! 
Detector Length Diff  PD1 = -0.0010,  PD2 =  0.0015, PD3 =  0.0024, PD4 =-0.0041 

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   333.0865   262.7589   253.1000   -0.3064   -0.2154   -1.4948 
Quindos  333.0880   262.7589   252.9092   -0.0075  
Diff     -0.00149   -0.00003    0.19078   

                       Centered Tooling Ball values  
                         X          Y            Z        Roll     Pitch      Yaw   
                       (mm)        (mm)         (mm)     (mrad)    (mrad)    (mrad) 
Raw Matlab            -167.3281    173.1340    -0.5199   -0.3064   -0.2154   -1.4948  
Quad Roll Matlab      -167.3296    173.1340    -0.5247 
Quad Roll Quindos     -167.3296    173.1340    -0.5247   -0.2989   -0.1875   -1.4947   
Mechanical            -167.3255    173.1440    -0.4283   -0.2958   -0.8256   -0.4830  
Quindos Error            0.0027      0.0156     0.0156    0.0909    0.2043    0.0908 

Raw To Mech Diff      -0.0026    -0.0099    -0.0916     -0.0107    0.6102   -1.0118  
QR to Mech Diff       -0.0041    -0.0100    -0.0964     -0.0031    0.6380   -1.0118   

QR to Mech Z Diff                         -0.11046