diff --git a/crpptbx/TCV/tcv_requests_mapping.m b/crpptbx/TCV/tcv_requests_mapping.m
index b88a7986a1bff0cc92a4ab43710a2113b14adaa9..d982ccd739d2b021e7631cebf34c95d84cd82534 100644
--- a/crpptbx/TCV/tcv_requests_mapping.m
+++ b/crpptbx/TCV/tcv_requests_mapping.m
@@ -201,6 +201,11 @@ switch lower(data_request)
   mapping.label = 'R\_magaxis';
   mapping.method = 'tdiliuqe';
   mapping.expression = '\results::r_axis';
+ case 'rtc'
+  mapping.timedim = 1;
+  mapping.label = 'rtc\_signals';
+  mapping.method = 'switchcase';
+  mapping.expression = '';
  case 'sxr'
   mapping.timedim = 1;
   mapping.gdat_timedim = 2;