diff --git a/sw/ground_segment/tmtc/messages.ml b/sw/ground_segment/tmtc/messages.ml
index dee21fb56f..48c3dc7d27 100644
--- a/sw/ground_segment/tmtc/messages.ml
+++ b/sw/ground_segment/tmtc/messages.ml
@@ -93,15 +93,18 @@ let one_page = fun sender class_name (notebook:GPack.notebook) (help_label:GObj.
           field_label#drag#source_set dnd_targets ~modi:[`BUTTON1] ~actions:[`COPY];
           let data_get = fun _ (sel:GObj.selection_context) ~info ~time ->
             let scale = Pprz.alt_unit_coef_of_xml ~auto:"display" f in
-            let field_descr =
-              if Pprz.is_array_type type_ then
-                match GToolbox.input_string ~title:"Index of value to drag" ~text:"0" "Index in the array ?" with
-                    None -> field_name
-                  | Some i -> sprintf "%s[%s]" field_name i
+            let v = List.hd (Str.split (Str.regexp " ") l#text) in (* get value *)
+            let nb = List.length (Str.split (Str.regexp ",") v) in (* get number of values if array *)
+            let range = if nb > 1 then sprintf "0-%d" (nb-1) else "0" in
+            if Pprz.is_array_type type_ then
+              match GToolbox.input_string ~title:"Index of value to drag" ~text:range "Index or range in the array ?" with
+                None -> ()
+              | Some i -> sel#return (sprintf "%s:%s:%s:%s[%s]:%s" sender class_name id field_name i scale)
               else
-                field_name in
-            sel#return (sprintf "%s:%s:%s:%s:%s" sender class_name id field_descr scale) in
+                sel#return (sprintf "%s:%s:%s:%s:%s" sender class_name id field_name scale)
+          in
           ignore (field_label#drag#connect#data_get ~callback:data_get);
+
           (* hide notebook and display help during drag *)
           let begin_drag = fun _ ->
             notebook#coerce#misc#hide ();
diff --git a/sw/logalizer/plotter.ml b/sw/logalizer/plotter.ml
index 977329efe9..02f615adbe 100644
--- a/sw/logalizer/plotter.ml
+++ b/sw/logalizer/plotter.ml
@@ -517,7 +517,28 @@ let rec plot_window = fun window ->
     let factor =  Ocaml_tools.affine_transform factor#text in
     try
       let name = data#data in
-      add_curve ~factor name
+      let (sender, class_name, msg_name, field_descr, (a',b')) = parse_dnd name in
+      (* test if several curves need to be added with x[min-max] format *)
+      if Str.string_match (Str.regexp "\\([^\\.]+\\)\\[\\([0-9]+\\)-\\([0-9]+\\)\\]") field_descr 0 then
+        begin
+          (* get name and range in correct order *)
+          let field_name = Str.matched_group 1 field_descr
+          and min_range = int_of_string (Str.matched_group 2 field_descr)
+          and max_range = int_of_string (Str.matched_group 3 field_descr) in
+          let min_range, max_range = if min_range > max_range then
+            max_range, min_range
+          else
+            min_range, max_range
+          in
+          (* add all curves *)
+          for i = min_range to max_range do
+            let offset = if a' <> 0. then sprintf "+%.2f" b' else "" in
+            let name = (sprintf "%s:%s:%s:%s[%d]:%f%s" sender class_name msg_name field_name i a' offset) in
+            add_curve ~factor name
+          done
+        end
+      else
+        add_curve ~factor name
     with
       exc -> prerr_endline (Printexc.to_string exc)
     in