Tooling Ball Lengths are correct 
Detector Length Diff  PD1 = -0.0005,  PD2 = -0.0003, PD3 = -0.0003, PD4 = 0.0000 

     X          Y          Z        Roll     Pitch    Yaw  
   (mm)        (mm)       (mm)     (mrad)   (mrad)   (mrad)
 333.0879   262.7579   253.0508   -0.0009   -0.0005   -0.0024 
 333.0879   262.7579   253.0508   -0.0009   -0.0005   -0.0024 
-0.33309   -0.26276   -0.25305    0.00000   -0.00000    0.0000 

              X                   Y                    Z 
             (mm)                 (mm)                (mm) 
Centered Tooling Ball values wrt Magnetic Center 
Raw      167.2986             173.0882             -0.4112   
Mechical 167.3215             173.0424             -0.4293   
Diff     -0.0228              0.0458              0.0181   

Centered Tooling Ball values wrt Mechanical Center 
Quad Roll 167.3623             173.0881             -0.4127   
Mech      167.3215             173.0424             -0.4293   
Diff       0.0408              0.0457              0.0166