diff --git a/gr-jay/grc/jay_squelch.xml b/gr-jay/grc/jay_squelch.xml
index e5b50bb..df01398 100644
--- a/gr-jay/grc/jay_squelch.xml
+++ b/gr-jay/grc/jay_squelch.xml
@@ -4,13 +4,19 @@
   <key>jay_squelch</key>
   <category>[jay]</category>
   <import>import jay</import>
-  <make>jay.squelch($initValue)</make>
+  <make>jay.squelch($initValue, $alpha)</make>
   <param>
     <name>Initial Value</name>
     <key>initValue</key>
     <value>0.0</value>
     <type>float</type>
   </param>
+  <param>
+    <name>Alpha</name>
+    <key>alpha</key>
+    <value>0.01</value>
+    <type>float</type>
+  </param>
   <sink>
     <name>control</name>
     <type>message</type>
diff --git a/gr-jay/include/jay/squelch.h b/gr-jay/include/jay/squelch.h
index 523b509..6cb62a0 100644
--- a/gr-jay/include/jay/squelch.h
+++ b/gr-jay/include/jay/squelch.h
@@ -46,7 +46,7 @@ namespace gr {
        * class. jay::squelch::make is the public interface for
        * creating new instances.
        */
-      static sptr make(float initValue);
+      static sptr make(float initValue, float alpha);
     };
 
   } // namespace jay
diff --git a/gr-jay/lib/squelch_impl.cc b/gr-jay/lib/squelch_impl.cc
index d9a438e..dc5a89b 100644
--- a/gr-jay/lib/squelch_impl.cc
+++ b/gr-jay/lib/squelch_impl.cc
@@ -30,22 +30,23 @@ namespace gr {
   namespace jay {
 
     squelch::sptr
-    squelch::make(float initValue)
+    squelch::make(float initValue, float alpha)
     {
       return gnuradio::get_initial_sptr
-        (new squelch_impl(initValue));
+        (new squelch_impl(initValue, alpha));
     }
 
     /*
      * The private constructor
      */
 	
-    squelch_impl::squelch_impl(float initValue)
+    squelch_impl::squelch_impl(float initValue, float alpha)
       : gr::sync_block("squelch",
               gr::io_signature::make(1, 1, sizeof(float)),
               gr::io_signature::make(1, 1, sizeof(float)))
 	  , m_gain_target(initValue)
 	  , m_gain(0.0f)
+	  , m_alpha(alpha)
     {
 		m_msg_port_in = pmt::mp("control");
 		message_port_register_in(m_msg_port_in);
@@ -120,7 +121,7 @@ namespace gr {
       const float *in = (const float *) input_items[0];
       float *out = (float *) output_items[0];
 
-	  m_gain = 0.99f*m_gain + 0.01f*m_gain_target;
+	  m_gain = (1.f-m_alpha)*m_gain + m_alpha*m_gain_target;
 	  
       // Do <+signal processing+>
 	  for (int i=0; i < noutput_items; i++)
diff --git a/gr-jay/lib/squelch_impl.h b/gr-jay/lib/squelch_impl.h
index 68e016b..70e8588 100644
--- a/gr-jay/lib/squelch_impl.h
+++ b/gr-jay/lib/squelch_impl.h
@@ -33,9 +33,10 @@ namespace gr {
 		pmt::pmt_t m_msg_port_in;
 		float m_gain_target;
 		float m_gain;
-		
+		float m_alpha;
+
      public:
-      squelch_impl(float initValue);
+      squelch_impl(float initValue, float alpha);
       ~squelch_impl();
 	  void print_pair(pmt::pmt_t pair);
 	  void on_message(pmt::pmt_t msg);
diff --git a/peak_det_eval.grc b/peak_det_eval.grc
index ed3ad39..d8905a1 100644
--- a/peak_det_eval.grc
+++ b/peak_det_eval.grc
@@ -2420,6 +2420,10 @@
   </block>
   <block>
     <key>jay_squelch</key>
+    <param>
+      <key>alpha</key>
+      <value>0.01</value>
+    </param>
     <param>
       <key>alias</key>
       <value></value>