ACHTUNG: i should clearly NOT use the glbals.json for thomson since i…

…t assumes we ALWAYS have 61 channels but this is just wrong since the actual number of channels varies depending on the shot number

mappings/thomson_scattering/globals.json

@@ -2,6 +2,7 @@
     "Comment": "Add any variables in here that are needed by your mappings",
     "Templating": "These can be used for substitution in the signal names",
     "Hello": "World",
+    ACHTUNG: Strictly speaking we MUST NOT hardcode the number of channels since it varied throughout JET history !!! But there is no PPF signal to store the channel number !!!
     "CH_NAMES": [
         "CH1",
         "CH2",