diff --git a/trunk-recorder/gr_blocks/signal_detector_cvf_impl.cc b/trunk-recorder/gr_blocks/signal_detector_cvf_impl.cc
index 652e4283c..791b1acba 100644
--- a/trunk-recorder/gr_blocks/signal_detector_cvf_impl.cc
+++ b/trunk-recorder/gr_blocks/signal_detector_cvf_impl.cc
@@ -234,10 +234,10 @@ void signal_detector_cvf_impl::build_threshold() {
   
 
   float range = d_tmp_pxx[d_fft_len - 1] - d_tmp_pxx[0];
-  float median = d_tmp_pxx[d_fft_len / 2];
+  
 
 
-  // search specified normized jump
+  // search specified normalized jump
   // since we are looking one ahead we want to stop before the end.
   for (unsigned int i = 0; i < d_fft_len-1; i++) {
       
@@ -248,6 +248,7 @@ void signal_detector_cvf_impl::build_threshold() {
   }
   
   if (d_threshold == 500) {
+    //float median = d_tmp_pxx[d_fft_len / 2];
     /*BOOST_LOG_TRIVIAL(error) << "Could not find threshold - range: " << range << " d_sensitivity: " << d_sensitivity << " Max RSSI: " << d_tmp_pxx[d_fft_len - 1] << " Min RSSI: " << d_tmp_pxx[0];
     for (unsigned int i =0; i < 5; i++) {
       BOOST_LOG_TRIVIAL(error) << "RSSI[" << d_tmp_pxx[d_fft_len - 1 - i] << "] change: " << (d_tmp_pxx[d_fft_len - 1 - i] - d_tmp_pxx[d_fft_len - 2 - i]) / range;
diff --git a/trunk-recorder/source.cc b/trunk-recorder/source.cc
index 1db10341c..4d9fe916c 100644
--- a/trunk-recorder/source.cc
+++ b/trunk-recorder/source.cc
@@ -67,11 +67,17 @@ Source::Source(double c, double r, double e, std::string drv, std::string dev, C
   next_selector_port = 0;
 
   recorder_selector = gr::blocks::selector::make(sizeof(gr_complex), 0, 0);
+
+  // parameters for signal_detector_cvf
   float threshold_sensitivity = 0.95;
-  if (rate > 3000000) {
-    threshold_sensitivity = 0.95;
-  } 
-  signal_detector = signal_detector_cvf::make(rate, 1024, 0, -45, threshold_sensitivity, true, 0.8, 0.01, 0.0, 50000, "");
+  float threshold = -45;
+  int fft_len = 1024;
+  float average = 0.8;
+  float quantization = 0.01;
+  float min_bw = 0.0;
+  float max_bw = 50000;
+
+  signal_detector = signal_detector_cvf::make(rate, fft_len, 0, threshold, threshold_sensitivity, true, average, quantization, min_bw, max_bw, "");
   BOOST_LOG_TRIVIAL(info) << "Made the Signal Detector";
 
   if (driver == "osmosdr") {
@@ -365,7 +371,7 @@ int Source::get_if_gain() {
 
 std::vector<Recorder *> Source::find_conventional_recorders_by_freq(Detected_Signal signal) {
   double freq = center + signal.center_freq;
-  double bandwidth = signal.bandwidth;
+
   std::vector<Recorder *> recorders;
   long max_freq_diff = 12500;
   for (std::vector<p25_recorder_sptr>::iterator it = digital_conv_recorders.begin(); it != digital_conv_recorders.end(); it++) {
@@ -406,12 +412,8 @@ std::vector<Recorder *> Source::get_detected_recorders() {
   for (std::vector<Detected_Signal>::iterator it = signals.begin(); it != signals.end(); it++) {
     Detected_Signal signal = *it;
 
-    double freq = center + signal.center_freq;
-    double bandwidth = signal.bandwidth; // available data but not needed for anything
     float rssi = signal.max_rssi;
 
-
-
     std::vector<Recorder *> recorders = find_conventional_recorders_by_freq(signal);
     for (std::vector<Recorder *>::iterator it = recorders.begin(); it != recorders.end(); it++) {
       Recorder *recorder = *it;