Tooling Ball Lengths are correct 
Detector Length Diff  PD1 = -0.0004,  PD2 =  0.0002, PD3 =  0.0000, PD4 = 0.0004 

     X          Y          Z        Roll     Pitch    Yaw  
   (mm)        (mm)       (mm)     (mrad)   (mrad)   (mrad)
 333.0879   262.7573   253.0480   -0.0009   -0.0005   -0.0026 
 333.0879   262.7573   253.0480   -0.0009   -0.0005   -0.0026 
-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      167.3022             173.0864             -0.4140   
Mechical 167.3215             173.0424             -0.4293   
Diff     -0.0193              0.0441              0.0153   

Centered Tooling Ball values wrt Mechanical Center 
Quad Roll 167.3658             173.0864             -0.4118   
Mech      167.3215             173.0424             -0.4293   
Diff       0.0443              0.0440              0.0175