Tooling Ball Lengths are correct 
Detector Length Diff  PD1 = -0.0004,  PD2 =  0.0005, PD3 = -0.0002, PD4 =-0.0010 

     X          Y          Z        Roll     Pitch    Yaw  
   (mm)        (mm)       (mm)     (mrad)   (mrad)   (mrad)
 333.0880   262.7580   253.0538   -0.0009   -0.0005   -0.0023 
 333.0880   262.7580   253.0538   -0.0009   -0.0005   -0.0023 
-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      167.2979             173.0864             -0.4082   
Mechical 167.3215             173.0424             -0.4293   
Diff     -0.0236              0.0440              0.0211   

Centered Tooling Ball values wrt Mechanical Center 
Quad Roll 167.3615             173.0864             -0.4122   
Mech      167.3215             173.0424             -0.4293   
Diff       0.0400              0.0440              0.0171