diff --git a/auto_tuner.grc b/auto_tuner.grc
index 3e5c18f..c3ac83d 100644
--- a/auto_tuner.grc
+++ b/auto_tuner.grc
@@ -566,6 +566,69 @@
       <value>radio_buttons</value>
     </param>
   </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>60</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1552, 12)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>variable_rf_gain</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>RF Gain</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>200</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>80</value>
+    </param>
+    <param>
+      <key>rangeType</key>
+      <value>int</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
+    </param>
+  </block>
   <block>
     <key>variable_qtgui_check_box</key>
     <param>
@@ -2705,11 +2768,11 @@
     </param>
     <param>
       <key>int_max</key>
-      <value>10</value>
+      <value>-40</value>
     </param>
     <param>
       <key>int_min</key>
-      <value>-140</value>
+      <value>-80</value>
     </param>
     <param>
       <key>legend</key>
@@ -2884,7 +2947,7 @@
     </param>
     <param>
       <key>bw0</key>
-      <value>0</value>
+      <value>samp_rate</value>
     </param>
     <param>
       <key>center_freq0</key>
@@ -2904,7 +2967,7 @@
     </param>
     <param>
       <key>gain0</key>
-      <value>30</value>
+      <value>variable_rf_gain</value>
     </param>
     <param>
       <key>lo_export0</key>