Updated HRPT receiver to read files recorded as shorts

2 files changed, 488 insertions, 273 deletions

diff --git a/gr-noaa/apps/usrp_rx_hrpt.grc b/gr-noaa/apps/usrp_rx_hrpt.grc
index c8e099611..8edc2b4ea 100644
--- a/gr-noaa/apps/usrp_rx_hrpt.grc
+++ b/gr-noaa/apps/usrp_rx_hrpt.grc
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='ASCII'?>
 <flow_graph>
-  <timestamp>Sun Sep 20 12:45:30 2009</timestamp>
+  <timestamp>Sun Sep 20 19:09:57 2009</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -76,22 +76,34 @@
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>notebook</key>
     <param>
       <key>id</key>
-      <value>decim</value>
+      <value>displays</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>16</value>
+      <key>style</key>
+      <value>wx.NB_TOP</value>
+    </param>
+    <param>
+      <key>labels</key>
+      <value>['RX','PLL/SYNC']</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>1, 0, 1, 2</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(186, 10)</value>
+      <value>(9, 99)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -99,22 +111,30 @@
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>gr_file_sink</key>
     <param>
       <key>id</key>
-      <value>hs</value>
+      <value>gr_file_sink_1</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>int(sps/2.0)</value>
+      <key>file</key>
+      <value>frames.dat</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>short</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(589, 13)</value>
+      <value>(1253, 805)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -122,22 +142,18 @@
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>noaa_hrpt_deframer</key>
     <param>
       <key>id</key>
-      <value>sym_rate</value>
+      <value>noaa_hrpt_deframer_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>600*1109</value>
-    </param>
-    <param>
       <key>_coordinate</key>
-      <value>(383, 7)</value>
+      <value>(1063, 809)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -145,45 +161,93 @@
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>wxgui_scopesink2</key>
     <param>
       <key>id</key>
-      <value>sps</value>
+      <value>wxgui_scopesink2_0_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>sample_rate/sym_rate</value>
+      <key>type</key>
+      <value>float</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Post-PLL</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>20.0/sample_rate</value>
+    </param>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 1</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(479, 11)</value>
+      <value>(597, 618)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>0</value>
+      <value>180</value>
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>gr_moving_average_xx</key>
     <param>
       <key>id</key>
-      <value>sample_rate</value>
+      <value>matched_filter</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>64e6/decim</value>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>length</key>
+      <value>hs</value>
+    </param>
+    <param>
+      <key>scale</key>
+      <value>1.0/hs</value>
+    </param>
+    <param>
+      <key>max_iter</key>
+      <value>4000</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(273, 9)</value>
+      <value>(429, 789)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -191,54 +255,58 @@
     </param>
   </block>
   <block>
-    <key>variable_slider</key>
+    <key>wxgui_scopesink2</key>
     <param>
       <key>id</key>
-      <value>pll_alpha</value>
+      <value>wxgui_scopesink2_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>PLL Alpha</value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>value</key>
-      <value>0.001</value>
+      <key>title</key>
+      <value>RX Waveform</value>
     </param>
     <param>
-      <key>min</key>
-      <value>0.0</value>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
     </param>
     <param>
-      <key>max</key>
-      <value>0.5</value>
+      <key>v_scale</key>
+      <value>0</value>
     </param>
     <param>
-      <key>num_steps</key>
-      <value>500</value>
+      <key>t_scale</key>
+      <value>20.0/sample_rate</value>
     </param>
     <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
+      <key>ac_couple</key>
+      <value>False</value>
     </param>
     <param>
-      <key>converver</key>
-      <value>float_converter</value>
+      <key>xy_mode</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
     </param>
     <param>
       <key>grid_pos</key>
-      <value>0, 0, 1, 1</value>
+      <value>1, 0, 1, 1</value>
     </param>
     <param>
       <key>notebook</key>
-      <value></value>
+      <value>displays, 0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(192, 100)</value>
+      <value>(430, 895)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -246,80 +314,78 @@
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>wxgui_fftsink2</key>
     <param>
       <key>id</key>
-      <value>max_carrier_offset</value>
+      <value>rx_fftsink</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>2*math.pi*100e3/sample_rate</value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(671, 14)</value>
+      <key>title</key>
+      <value>RX Spectrum</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
     </param>
-  </block>
-  <block>
-    <key>variable</key>
     <param>
-      <key>id</key>
-      <value>max_sync_offset</value>
+      <key>baseband_freq</key>
+      <value>1698e6</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>y_per_div</key>
+      <value>5</value>
     </param>
     <param>
-      <key>value</key>
-      <value>0.01</value>
+      <key>y_divs</key>
+      <value>8</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(805, 13)</value>
+      <key>ref_level</key>
+      <value>-5</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>ref_scale</key>
+      <value>2.0</value>
     </param>
-  </block>
-  <block>
-    <key>notebook</key>
     <param>
-      <key>id</key>
-      <value>displays</value>
+      <key>fft_size</key>
+      <value>1024</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>fft_rate</key>
+      <value>30</value>
     </param>
     <param>
-      <key>style</key>
-      <value>wx.NB_TOP</value>
+      <key>peak_hold</key>
+      <value>False</value>
     </param>
     <param>
-      <key>labels</key>
-      <value>['RX','PLL/SYNC']</value>
+      <key>average</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>avg_alpha</key>
+      <value>0.1</value>
     </param>
     <param>
       <key>grid_pos</key>
-      <value>1, 0, 1, 2</value>
+      <value>0, 0, 1, 1</value>
     </param>
     <param>
       <key>notebook</key>
-      <value></value>
+      <value>displays, 0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(9, 99)</value>
+      <value>(430, 531)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -327,18 +393,38 @@
     </param>
   </block>
   <block>
-    <key>noaa_hrpt_deframer</key>
+    <key>gr_agc_xx</key>
     <param>
       <key>id</key>
-      <value>noaa_hrpt_deframer_0</value>
+      <value>agr</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>rate</key>
+      <value>1e-6</value>
+    </param>
+    <param>
+      <key>reference</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>gain</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>max_gain</key>
+      <value>1.0</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(1112, 649)</value>
+      <value>(258, 781)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -346,89 +432,92 @@
     </param>
   </block>
   <block>
-    <key>wxgui_scopesink2</key>
+    <key>virtual_source</key>
     <param>
       <key>id</key>
-      <value>wxgui_scopesink2_0_0</value>
+      <value>virtual_source_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>Post-PLL</value>
+      <key>stream_id</key>
+      <value>samples</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>sample_rate</value>
+      <key>_coordinate</key>
+      <value>(62, 805)</value>
     </param>
     <param>
-      <key>v_scale</key>
-      <value>0.5</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
-      <key>t_scale</key>
-      <value>20.0/sample_rate</value>
+      <key>id</key>
+      <value>filename</value>
     </param>
     <param>
-      <key>ac_couple</key>
-      <value>False</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>xy_mode</key>
-      <value>False</value>
+      <key>label</key>
+      <value>Filename</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>1</value>
+      <key>value</key>
+      <value>""</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value>0, 0, 1, 1</value>
+      <key>type</key>
+      <value>string</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value>displays, 1</value>
+      <key>short_id</key>
+      <value>f</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(624, 462)</value>
+      <value>(200, 101)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>180</value>
+      <value>0</value>
     </param>
   </block>
   <block>
-    <key>gr_throttle</key>
+    <key>parameter</key>
     <param>
       <key>id</key>
-      <value>throttle</value>
+      <value>decim</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>label</key>
+      <value>Decimation</value>
     </param>
     <param>
-      <key>samples_per_second</key>
-      <value>sample_rate</value>
+      <key>value</key>
+      <value>16</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>type</key>
+      <value>intx</value>
+    </param>
+    <param>
+      <key>short_id</key>
+      <value>d</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(85, 645)</value>
+      <value>(304, 101)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -436,78 +525,68 @@
     </param>
   </block>
   <block>
-    <key>wxgui_fftsink2</key>
+    <key>variable</key>
     <param>
       <key>id</key>
-      <value>rx_fftsink</value>
+      <value>max_sync_offset</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>RX Spectrum</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>sample_rate</value>
+      <key>value</key>
+      <value>0.01</value>
     </param>
     <param>
-      <key>baseband_freq</key>
-      <value>1698e6</value>
+      <key>_coordinate</key>
+      <value>(705, 19)</value>
     </param>
     <param>
-      <key>y_per_div</key>
-      <value>5</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>y_divs</key>
-      <value>8</value>
+      <key>id</key>
+      <value>max_carrier_offset</value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>-5</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>ref_scale</key>
-      <value>2.0</value>
+      <key>value</key>
+      <value>2*math.pi*100e3/sample_rate</value>
     </param>
     <param>
-      <key>fft_size</key>
-      <value>1024</value>
+      <key>_coordinate</key>
+      <value>(575, 19)</value>
     </param>
     <param>
-      <key>fft_rate</key>
-      <value>30</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>peak_hold</key>
-      <value>False</value>
+      <key>id</key>
+      <value>hs</value>
     </param>
     <param>
-      <key>average</key>
+      <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>avg_alpha</key>
-      <value>0.1</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>0, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value>displays, 0</value>
+      <key>value</key>
+      <value>int(sps/2.0)</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(439, 309)</value>
+      <value>(499, 19)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -515,58 +594,68 @@
     </param>
   </block>
   <block>
-    <key>wxgui_scopesink2</key>
+    <key>variable</key>
     <param>
       <key>id</key>
-      <value>wxgui_scopesink2_0</value>
+      <value>sps</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>value</key>
+      <value>sample_rate/sym_rate</value>
     </param>
     <param>
-      <key>title</key>
-      <value>RX Waveform</value>
+      <key>_coordinate</key>
+      <value>(397, 19)</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>sample_rate</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>v_scale</key>
-      <value>0</value>
+      <key>id</key>
+      <value>sym_rate</value>
     </param>
     <param>
-      <key>t_scale</key>
-      <value>20.0/sample_rate</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>ac_couple</key>
-      <value>False</value>
+      <key>value</key>
+      <value>600*1109</value>
     </param>
     <param>
-      <key>xy_mode</key>
-      <value>False</value>
+      <key>_coordinate</key>
+      <value>(301, 19)</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>1</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>grid_pos</key>
-      <value>1, 0, 1, 1</value>
+      <key>id</key>
+      <value>sample_rate</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value>displays, 0</value>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>64e6/decim</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(440, 783)</value>
+      <value>(198, 17)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -574,38 +663,54 @@
     </param>
   </block>
   <block>
-    <key>gr_agc_xx</key>
+    <key>variable_slider</key>
     <param>
       <key>id</key>
-      <value>agr</value>
+      <value>pll_alpha</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>label</key>
+      <value>PLL Alpha</value>
     </param>
     <param>
-      <key>rate</key>
-      <value>1e-6</value>
+      <key>value</key>
+      <value>0.005</value>
     </param>
     <param>
-      <key>reference</key>
-      <value>1.0</value>
+      <key>min</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>gain</key>
-      <value>1.0</value>
+      <key>max</key>
+      <value>0.5</value>
     </param>
     <param>
-      <key>max_gain</key>
-      <value>1.0</value>
+      <key>num_steps</key>
+      <value>500</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.SL_HORIZONTAL</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>float_converter</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(267, 621)</value>
+      <value>(447, 99)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -636,7 +741,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(645, 629)</value>
+      <value>(624, 789)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -644,30 +749,34 @@
     </param>
   </block>
   <block>
-    <key>gr_file_sink</key>
+    <key>noaa_hrpt_sync_fb</key>
     <param>
       <key>id</key>
-      <value>gr_file_sink_1</value>
+      <value>noaa_hrpt_sync_fb_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>file</key>
-      <value>frames.dat</value>
+      <key>alpha</key>
+      <value>sync_alpha</value>
     </param>
     <param>
-      <key>type</key>
-      <value>short</value>
+      <key>beta</key>
+      <value>sync_alpha**2/4.0</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>sps</key>
+      <value>sps</value>
+    </param>
+    <param>
+      <key>max_offset</key>
+      <value>max_sync_offset</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1125, 758)</value>
+      <value>(832, 781)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -675,34 +784,54 @@
     </param>
   </block>
   <block>
-    <key>gr_moving_average_xx</key>
+    <key>variable_slider</key>
     <param>
       <key>id</key>
-      <value>matched_filter</value>
+      <value>sync_alpha</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>label</key>
+      <value>SYNC Alpha</value>
     </param>
     <param>
-      <key>length</key>
-      <value>hs</value>
+      <key>value</key>
+      <value>0.1</value>
     </param>
     <param>
-      <key>scale</key>
-      <value>1.0/hs</value>
+      <key>min</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>max_iter</key>
-      <value>4000</value>
+      <key>max</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>num_steps</key>
+      <value>500</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.SL_HORIZONTAL</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>float_converter</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 1, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(444, 629)</value>
+      <value>(593, 98)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -713,7 +842,7 @@
     <key>gr_file_source</key>
     <param>
       <key>id</key>
-      <value>src</value>
+      <value>gr_file_source_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -721,11 +850,11 @@
     </param>
     <param>
       <key>file</key>
-      <value>poes-d16.dat</value>
+      <value>filename</value>
     </param>
     <param>
       <key>type</key>
-      <value>complex</value>
+      <value>short</value>
     </param>
     <param>
       <key>repeat</key>
@@ -737,7 +866,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(79, 541)</value>
+      <value>(102, 368)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -745,34 +874,53 @@
     </param>
   </block>
   <block>
-    <key>noaa_hrpt_sync_fb</key>
+    <key>virtual_sink</key>
     <param>
       <key>id</key>
-      <value>noaa_hrpt_sync_fb_0</value>
+      <value>virtual_sink_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>alpha</key>
-      <value>sync_alpha</value>
+      <key>stream_id</key>
+      <value>samples</value>
     </param>
     <param>
-      <key>beta</key>
-      <value>sync_alpha**2/4.0</value>
+      <key>_coordinate</key>
+      <value>(1076, 376)</value>
     </param>
     <param>
-      <key>sps</key>
-      <value>sps</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>gr_throttle</key>
     <param>
-      <key>max_offset</key>
-      <value>max_sync_offset</value>
+      <key>id</key>
+      <value>throttle</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>samples_per_second</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(862, 621)</value>
+      <value>(877, 376)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -780,54 +928,72 @@
     </param>
   </block>
   <block>
-    <key>variable_slider</key>
+    <key>gr_deinterleave</key>
     <param>
       <key>id</key>
-      <value>sync_alpha</value>
+      <value>gr_deinterleave_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>SYNC Alpha</value>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>value</key>
-      <value>0.005</value>
+      <key>num_streams</key>
+      <value>2</value>
     </param>
     <param>
-      <key>min</key>
-      <value>0.0</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>max</key>
-      <value>0.5</value>
+      <key>_coordinate</key>
+      <value>(466, 363)</value>
     </param>
     <param>
-      <key>num_steps</key>
-      <value>500</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>gr_short_to_float</key>
     <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
+      <key>id</key>
+      <value>gr_short_to_float_0</value>
     </param>
     <param>
-      <key>converver</key>
-      <value>float_converter</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value>0, 1, 1, 1</value>
+      <key>_coordinate</key>
+      <value>(278, 380)</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_float_to_complex</key>
+    <param>
+      <key>id</key>
+      <value>gr_float_to_complex_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(344, 101)</value>
+      <value>(653, 363)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -835,6 +1001,12 @@
     </param>
   </block>
   <connection>
+    <source_block_id>virtual_source_0</source_block_id>
+    <sink_block_id>agr</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
     <source_block_id>noaa_hrpt_deframer_0</source_block_id>
     <sink_block_id>gr_file_sink_1</sink_block_id>
     <source_key>0</source_key>
@@ -871,26 +1043,50 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>throttle</source_block_id>
-    <sink_block_id>agr</sink_block_id>
+    <source_block_id>agr</source_block_id>
+    <sink_block_id>matched_filter</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>matched_filter</source_block_id>
+    <sink_block_id>noaa_hrpt_pll_cf_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>src</source_block_id>
+    <source_block_id>gr_float_to_complex_0</source_block_id>
     <sink_block_id>throttle</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>agr</source_block_id>
-    <sink_block_id>matched_filter</sink_block_id>
+    <source_block_id>gr_short_to_float_0</source_block_id>
+    <sink_block_id>gr_deinterleave_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>matched_filter</source_block_id>
-    <sink_block_id>noaa_hrpt_pll_cf_0</sink_block_id>
+    <source_block_id>gr_deinterleave_0</source_block_id>
+    <sink_block_id>gr_float_to_complex_0</sink_block_id>
+    <source_key>1</source_key>
+    <sink_key>1</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_deinterleave_0</source_block_id>
+    <sink_block_id>gr_float_to_complex_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_file_source_0</source_block_id>
+    <sink_block_id>gr_short_to_float_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>throttle</source_block_id>
+    <sink_block_id>virtual_sink_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
diff --git a/gr-noaa/apps/usrp_rx_hrpt.py b/gr-noaa/apps/usrp_rx_hrpt.py
index 032db315d..6c50a348a 100755
--- a/gr-noaa/apps/usrp_rx_hrpt.py
+++ b/gr-noaa/apps/usrp_rx_hrpt.py
@@ -2,7 +2,7 @@
 ##################################################
 # Gnuradio Python Flow Graph
 # Title: USRP HRPT Receiver
-# Generated: Sun Sep 20 12:45:30 2009
+# Generated: Sun Sep 20 19:09:57 2009
 ##################################################
 
 from gnuradio import eng_notation
@@ -20,18 +20,23 @@ import wx
 
 class usrp_rx_hrpt(grc_wxgui.top_block_gui):
 
-	def __init__(self):
+	def __init__(self, filename="", decim=16):
 		grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver")
 
 		##################################################
+		# Parameters
+		##################################################
+		self.filename = filename
+		self.decim = decim
+
+		##################################################
 		# Variables
 		##################################################
-		self.decim = decim = 16
 		self.sym_rate = sym_rate = 600*1109
 		self.sample_rate = sample_rate = 64e6/decim
 		self.sps = sps = sample_rate/sym_rate
-		self.sync_alpha = sync_alpha = 0.005
-		self.pll_alpha = pll_alpha = 0.001
+		self.sync_alpha = sync_alpha = 0.1
+		self.pll_alpha = pll_alpha = 0.005
 		self.max_sync_offset = max_sync_offset = 0.01
 		self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate
 		self.hs = hs = int(sps/2.0)
@@ -98,7 +103,11 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
 		# Blocks
 		##################################################
 		self.agr = gr.agc_cc(1e-6, 1.0, 1.0, 1.0)
+		self.gr_deinterleave_0 = gr.deinterleave(gr.sizeof_float*1)
 		self.gr_file_sink_1 = gr.file_sink(gr.sizeof_short*1, "frames.dat")
+		self.gr_file_source_0 = gr.file_source(gr.sizeof_short*1, "filename", False)
+		self.gr_float_to_complex_0 = gr.float_to_complex(1)
+		self.gr_short_to_float_0 = gr.short_to_float()
 		self.matched_filter = gr.moving_average_cc(hs, 1.0/hs, 4000)
 		self.noaa_hrpt_deframer_0 = noaa.hrpt_deframer()
 		self.noaa_hrpt_pll_cf_0 = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
@@ -119,7 +128,6 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
 			peak_hold=False,
 		)
 		self.displays.GetPage(0).GridAdd(self.rx_fftsink.win, 0, 0, 1, 1)
-		self.src = gr.file_source(gr.sizeof_gr_complex*1, "poes-d16.dat", False)
 		self.throttle = gr.throttle(gr.sizeof_gr_complex*1, sample_rate)
 		self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
 			self.displays.GetPage(0).GetWin(),
@@ -147,16 +155,23 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
 		##################################################
 		# Connections
 		##################################################
+		self.connect((self.throttle, 0), (self.agr, 0))
 		self.connect((self.noaa_hrpt_deframer_0, 0), (self.gr_file_sink_1, 0))
 		self.connect((self.noaa_hrpt_sync_fb_0, 0), (self.noaa_hrpt_deframer_0, 0))
 		self.connect((self.noaa_hrpt_pll_cf_0, 0), (self.noaa_hrpt_sync_fb_0, 0))
 		self.connect((self.noaa_hrpt_pll_cf_0, 0), (self.wxgui_scopesink2_0_0, 0))
 		self.connect((self.agr, 0), (self.wxgui_scopesink2_0, 0))
 		self.connect((self.agr, 0), (self.rx_fftsink, 0))
-		self.connect((self.throttle, 0), (self.agr, 0))
-		self.connect((self.src, 0), (self.throttle, 0))
 		self.connect((self.agr, 0), (self.matched_filter, 0))
 		self.connect((self.matched_filter, 0), (self.noaa_hrpt_pll_cf_0, 0))
+		self.connect((self.gr_float_to_complex_0, 0), (self.throttle, 0))
+		self.connect((self.gr_short_to_float_0, 0), (self.gr_deinterleave_0, 0))
+		self.connect((self.gr_deinterleave_0, 1), (self.gr_float_to_complex_0, 1))
+		self.connect((self.gr_deinterleave_0, 0), (self.gr_float_to_complex_0, 0))
+		self.connect((self.gr_file_source_0, 0), (self.gr_short_to_float_0, 0))
+
+	def set_filename(self, filename):
+		self.filename = filename
 
 	def set_decim(self, decim):
 		self.decim = decim
@@ -168,11 +183,11 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
 
 	def set_sample_rate(self, sample_rate):
 		self.sample_rate = sample_rate
-		self.set_sps(self.sample_rate/self.sym_rate)
-		self.set_max_carrier_offset(2*math.pi*100e3/self.sample_rate)
 		self.wxgui_scopesink2_0_0.set_sample_rate(self.sample_rate)
-		self.rx_fftsink.set_sample_rate(self.sample_rate)
 		self.wxgui_scopesink2_0.set_sample_rate(self.sample_rate)
+		self.rx_fftsink.set_sample_rate(self.sample_rate)
+		self.set_max_carrier_offset(2*math.pi*100e3/self.sample_rate)
+		self.set_sps(self.sample_rate/self.sym_rate)
 
 	def set_sps(self, sps):
 		self.sps = sps
@@ -206,7 +221,11 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
 
 if __name__ == '__main__':
 	parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
+	parser.add_option("-f", "--filename", dest="filename", type="string", default="",
+		help="Set Filename [default=%default]")
+	parser.add_option("-d", "--decim", dest="decim", type="intx", default=16,
+		help="Set Decimation [default=%default]")
 	(options, args) = parser.parse_args()
-	tb = usrp_rx_hrpt()
+	tb = usrp_rx_hrpt(filename=options.filename, decim=options.decim)
 	tb.Run(True)