List of TOGA LEG gratings
        -------------------------

  SIS  Module
  ID     ID     Comments
  ---   ----    ------------------------------------
   1A   C225
   1A   C226
   1A   C227
   1A   C228
   1A   C229
   1B   C230
   1B   C231    center facet shows wrinkling
   1B   C232
   1B   C233
   1B   C234

 SIS 1A is mounted on the "South" quadrant, 1B on the North quadrant.
 The modules are given in counter-clockwise order when looking from the
 TMA towards the detector.

 - - - - - - - - - - - -
 LEG Facet data from Mike Juda (10/25/96):

Facet
ID	module	period	height	width	slope
----	------	------	------	-----	-----
1178	C225L	991.189	0.424	0.512	83.0
1179	C225M	991.174	0.438	0.513	82.0
1180	C225R	991.169	0.483	0.479	82.0
1181	C226L	991.324	0.454	0.489	83.5
1182	C226M	991.317	0.451	0.478	82.5
1183	C226R	991.298	0.443	0.470	82.0
1185	C227L	991.255	0.460	0.489	85.0
1210	C228R	991.159	0.449	0.464	81.5
1212	C228M	991.174	0.431	0.475	83.3
1213	C228L	991.185 0.469   0.490   84.0
1215	C227R	991.197 0.462   0.513   83.5
1217	C227M	991.179 0.472   0.477   80.8
1222	C229L	991.158 0.470   0.487   84.0
1223	C229M	991.133 0.488   0.530   84.5
1225	C229R	991.090 0.436   0.516   81.8
1239	C230L	991.180 0.443   0.466   81.5
1241	C230M	991.132 0.441   0.536   83.5
1244	C230R	991.215 0.469   0.512   82.5
1246	C231L	991.218 0.468   0.510   82.5
1247	C231M	991.276 0.454   0.491   82.5
1248	C231R	991.117 0.461   0.507   82.5
1271	C232L	991.247 0.469   0.495   85.5
1272	C232M	991.254 0.479   0.503   83.5
1273	C232R	991.296 0.476   0.504   85.5
1274	C233L	991.266 0.480   0.524   83.3
1430	C233M	991.226 0.458   0.504   83.5
1433	C233R	991.255 0.481   0.472   83.3
1434	C234L	991.217 0.502   0.469   83.0
1435	C234M	991.179 0.492   0.458   83.0
1436	C234R	991.232 0.474   0.477   84.0