diff --git a/Source/Receiver.cpp b/Source/Receiver.cpp
index 2c009d8..535dee4 100644
--- a/Source/Receiver.cpp
+++ b/Source/Receiver.cpp
@@ -25,8 +25,9 @@ const radio_float_t		STR_GAIN_LAG_AQU	= (radio_float_t)0.50E-6;		// 5E-7
 const radio_float_t		STR_GAIN_LEAD_TRK	= (radio_float_t)4.00E-6;		// 8E-4
 const radio_float_t		STR_GAIN_LAG_TRK	= (radio_float_t)1.00E-9;		// 1E-6
 
-const radio_float_t		AGC_INITIAL_VALUE	= (radio_float_t)2.0;
-const radio_float_t		AGC_ADAPTION_RATE	= (radio_float_t)0.001;
+const radio_float_t		AGC_INITIAL_VALUE		= (radio_float_t)2.0;
+const radio_float_t		AGC_ADAPTION_RATE_ACQ	= (radio_float_t)0.01;
+const radio_float_t		AGC_ADAPTION_RATE_TRK	= (radio_float_t)0.0001;
 
 const uint32_t			EQ_UPD_INTERVAL		= 2000;					// 1000
 const uint32_t			EQ_DFE_K			= 63;					// 63
@@ -35,9 +36,6 @@ const uint32_t			EQ_GROUP_DELAY		= 16;					// 16
 const radio_float_t		DFE_MU				= (radio_float_t)1E-3;	// 1E-3
 const radio_float_t		CMA_MU				= (radio_float_t)8E-2;	// 8E-2
 
-const radio_float_t		TRACKER_MU			= (radio_float_t)1E-2;
-const radio_float_t		TRACKER_EPS			= (radio_float_t)1E-3;
-
 /***************************************************************/
 Receiver::Receiver(LogHandler *pLogHandler)
 	: m_log(pLogHandler)
@@ -51,8 +49,7 @@ Receiver::Receiver(LogHandler *pLogHandler)
 	, m_farrow(m_timingGenerator)
 	, m_frameReceiver(this)
 	, m_pSymMapper(0)
-	, m_statisticsProvider(EQ_UPD_INTERVAL)
-	, m_tracker(m_statisticsProvider.minMax())
+	, m_tracker(1.0 - 5.0/EQ_UPD_INTERVAL)
 {
 	m_params.numBitsPerSymbol = 2;
 	m_params.samplerate = 48000;
@@ -104,9 +101,9 @@ void Receiver::setBufSize(uint32 size)
 		m_pSymbolBuffer = new sym_err_t[size];
 	}
 	m_bufsize = size;
-	init();
-	m_buffer_agc.resize(size);
+	m_buffer_agc.resize(200*size);
 	m_buffer_ip.resize(size);
+	init();
 }
 
 uint32 Receiver::getNumSoftSym()
@@ -136,8 +133,8 @@ void Receiver::initDefaultParams()
 
 	m_params.agc_state = agc_state_acquisition;
 	m_params.agc_mode = agc_mode_disabled;
-	m_params.agcMu[0] = AGC_ADAPTION_RATE;
-	m_params.agcMu[1] = AGC_ADAPTION_RATE/10;
+	m_params.agcMu[0] = AGC_ADAPTION_RATE_ACQ;
+	m_params.agcMu[1] = AGC_ADAPTION_RATE_TRK;
 	m_params.agcMu_index = 0;
 
 	m_params.strState = str_state_acquisition;
@@ -504,7 +501,6 @@ void Receiver::processBaseband(CVec const &iq, uint32_t len)
 #ifndef DISABLE_UNUSED_STATISTICS
 			minMaxProcess(&m_statistics.ddcMinMax, IQ_eq_in);
 #endif
-			m_statisticsProvider.process(toComplexScalar(IQ_eq_in));
 			// -----------------------------------------------------
 			// AGC Blind process samples
 			// @1 x symbolrate
diff --git a/Source/Receiver.hpp b/Source/Receiver.hpp
index d5f844e..17c21bb 100644
--- a/Source/Receiver.hpp
+++ b/Source/Receiver.hpp
@@ -397,7 +397,6 @@ private:
 	statistics_t m_statistics;
 
 	// Metrics
-	Metrics::Statistics m_statisticsProvider;
 	Metrics::Tracker m_tracker;
 
 	FrameReceiver m_frameReceiver;