diff --git a/crpptbx/TCV/tcv_requests_mapping.m b/crpptbx/TCV/tcv_requests_mapping.m
index d982ccd739d2b021e7631cebf34c95d84cd82534..71f355d7cd4ac558b970c39ebb9dec1a5582aa3f 100644
--- a/crpptbx/TCV/tcv_requests_mapping.m
+++ b/crpptbx/TCV/tcv_requests_mapping.m
@@ -95,6 +95,11 @@ switch lower(data_request)
   mapping.label = 'Halpha';
   mapping.method = 'tdi';
   mapping.expression = '\base::pd:pd_001';
+ case 'halphas'
+  mapping.timedim = 1;
+  mapping.label = 'Halpha';
+  mapping.method = 'switchcase';
+  mapping.expression = '';
  case 'ioh'
   mapping.timedim = 1;
   mapping.label = 'I ohmic transformer';
@@ -293,6 +298,16 @@ switch lower(data_request)
   mapping.label = data_request;
   mapping.method = 'switchcase';
   mapping.expression = '';
+ case 'xte'
+  mapping.timedim = 1;
+  mapping.gdat_timedim = 1;
+  mapping.method = 'tdiliuqe';
+  mapping.expression = '\results::te_x_a[*,12]';
+  mapping.method = 'expression';
+  mapping.expression = ['params_eff = gdat_data.gdat_params;params_eff.data_request=''\results::te_x_a[*,12]''; ' ...
+                    'gdat_tmp=gdat_tcv([],params_eff); ' ...
+                    'params_eff = gdat_data.gdat_params;params_eff.data_request=''\magnetics::iplasma:trapeze''; ' ...
+                    'aa=gdat_tcv([],params_eff);it=find(abs(aa.data)<10e3);it2=iround_os(gdat_tmp.t,aa.t(it));gdat_tmp.data(it2)=NaN;'];
   
 % $$$  case ''
 % $$$   mapping.timedim = 1;