diff --git a/mausi.grc b/mausi.grc
index ca3af00..ea4760d 100644
--- a/mausi.grc
+++ b/mausi.grc
@@ -848,6 +848,57 @@
       <value>firdes.WIN_KAISER</value>
     </param>
   </block>
+  <block>
+    <key>note</key>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1376, 144)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>note_0</value>
+    </param>
+    <param>
+      <key>note</key>
+      <value>How to decode: 00000010111111
+00000010111111
+00000010111111
+00000010111111
+00000010000001
+00000010000001
+00000010000001
+00000010111111
+01111110111111
+111111111
+
+00000010111111
+00000010111111
+00000010111111
+00000010111111
+00000010000001
+00000010000001
+00000010000001
+00000010111111
+00000010111111
+111111111</value>
+    </param>
+  </block>
   <block>
     <key>uhd_usrp_source</key>
     <param>