1 The recycling cavity lengths are specified in Ref:T0900043-10; the ITM and ETM were moved per E1200345
2 using as-built wedge angles
3 using IO's x-coord for PR3; new y-coord and z-coord determined by wedge angles
4 using IO's x & y-coords for PR2 and PRM; new z-coord determined by wedge angles
5 using v12 y-coord for SR3; new x-coord and z-coord determined by wedge angles
6 using v12 x & y-coords for SR2 and SRM; new z-coord determined by wedge angles