Data taken UT20080412 allow the following changes to be made to /jac_sw/itsroot/src/wrappers/rxw/initialise/instrument_rxwb.ent:

   uaz (X)    6.0   ---->    8.2     "
   uel (Y)  -32.0   ---->  -23.5     "
   dX         0.80  ---->    0.02   mm
   dY         0.00  ---->    0.11   mm
   dZ        -1.00  ---->    0.41   mm