Output from  xrcf\_beam\_cen\_werr.pro ,   Fri Sep 12 13:08:01 1997 \\
 Input data file : beam\_cen\_970208.rdb\\
\\
Grating     Order      Prime Y          Z         Energy       Y\_err(um)    Z\_err(um)\\
HEG        0.00000      -307097.00      -14035.000       1.4867001      5.00000      5.00000\\
HEG       -2.00000      -380012.00      -7383.0000       1.4867001      20.0000      20.0000\\
HEG        2.00000      -234206.00      -20650.000       1.4867001      20.0000      20.0000\\
MEG       -3.00000      -361832.00      -18549.000       1.4867001      20.0000      20.0000\\
MEG        3.00000      -252366.00      -9473.0000       1.4867001      20.0000      20.0000\\
MEG        0.00000      -307097.00      -14035.000       1.4867001      7.00000      7.00000\\
MEG        0.00000      -307102.00      -14037.000       1.4867001      7.00000      7.00000\\
LEG       -9.00000      -373666.00      -14028.000       1.4867001      20.0000      20.0000\\
LEG        9.00000      -240552.00      -14007.000       1.4867001      20.0000      20.0000\\
LEG        0.00000      -307102.00      -14037.000       1.4867001      5.00000      5.00000\\
\\
 Calculate Angles and Periods to best-fit the data:\\
  (keeping the Rowland distance at      8788.04 )\\
\\
  LEG angle =   0.0090 +/-  0.0122  [ currently =   0.0059]\\
  LEG period =  9910.03 +/- 2.11  [ currently =       9903.90]\\
\\
     Errors between measured and calculated Y,Z (microns):\\
    Y:       -373666.00   -      -373663.67 =   -2.3\\
    Y:       -240552.00   -      -240549.66 =   -2.3\\
    Y:       -307102.00   -      -307106.67 =    4.7\\
    Z:       -14028.000   -      -14034.498 =    6.5\\
    Z:       -14007.000   -      -14013.502 =    6.5\\
    Z:       -14037.000   -      -14024.000 =  -13.0\\
\\
  MEG angle =   4.7396 +/-  0.0147  [ currently =   4.7412]\\
  MEG period =  4003.27 +/- 1.03  [ currently =       4000.77]\\
\\
     Errors between measured and calculated Y,Z (microns):\\
    Y:       -361832.00   -      -361832.25 =    0.3\\
    Y:       -252366.00   -      -252366.25 =    0.2\\
    Y:       -307097.00   -      -307099.25 =    2.2\\
    Y:       -307102.00   -      -307099.25 =   -2.8\\
    Z:       -18549.000   -      -18561.501 =   12.5\\
    Z:       -9473.0000   -      -9485.4993 =   12.5\\
    Z:       -14035.000   -      -14023.500 =  -11.5\\
    Z:       -14037.000   -      -14023.500 =  -13.5\\
\\
  HEG angle =  -5.1991 +/-  0.0110  [ currently =  -5.1908]\\
  HEG period =  2002.25 +/- 0.39  [ currently =       2000.95]\\
\\
     Errors between measured and calculated Y,Z (microns):\\
    Y:       -307097.00   -      -307105.00 =    8.0\\
    Y:       -380012.00   -      -380008.00 =   -4.0\\
    Y:       -234206.00   -      -234202.00 =   -4.0\\
    Z:       -14035.000   -      -14022.667 =  -12.3\\
    Z:       -7383.0000   -      -7389.1638 =    6.2\\
    Z:       -20650.000   -      -20656.170 =    6.2\\