diff --git a/apps/fft-multi-decoder_fixed_hackrf.grc b/apps/fft-multi-decoder_fixed_hackrf.grc
index ebc0391..d948bbd 100644
--- a/apps/fft-multi-decoder_fixed_hackrf.grc
+++ b/apps/fft-multi-decoder_fixed_hackrf.grc
@@ -166,7 +166,7 @@
     <key>variable</key>
     <param>
       <key>comment</key>
-      <value></value>
+      <value>must match same variable in ifft block</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -303,7 +303,7 @@
     </param>
     <param>
       <key>value</key>
-      <value>512*2</value>
+      <value>512*bb_decim</value>
     </param>
   </block>
   <block>
@@ -1299,7 +1299,7 @@
     </param>
     <param>
       <key>_enabled</key>
-      <value>0</value>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
@@ -1358,7 +1358,7 @@
     </param>
     <param>
       <key>_enabled</key>
-      <value>True</value>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
diff --git a/apps/ifft-RDS-decoder_hier-block.grc b/apps/ifft-RDS-decoder_hier-block.grc
index 441d0ea..e020b88 100644
--- a/apps/ifft-RDS-decoder_hier-block.grc
+++ b/apps/ifft-RDS-decoder_hier-block.grc
@@ -859,7 +859,7 @@
     </param>
     <param>
       <key>value</key>
-      <value>512</value>
+      <value>512*2</value>
     </param>
   </block>
   <block>
@@ -1589,7 +1589,7 @@
     </param>
     <param>
       <key>value</key>
-      <value>1024*10</value>
+      <value>1024*40</value>
     </param>
   </block>
   <block>
@@ -2080,7 +2080,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(120, 120)</value>
+      <value>(159, 111)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2108,7 +2108,7 @@
     </param>
     <param>
       <key>samp_rate</key>
-      <value>baseband_rate</value>
+      <value>chan_rate</value>
     </param>
     <param>
       <key>width</key>
diff --git a/apps/read_sync_decim.grc b/apps/read_sync_decim.grc
index 86fa827..f86ffe6 100644
--- a/apps/read_sync_decim.grc
+++ b/apps/read_sync_decim.grc
@@ -344,7 +344,7 @@
     </param>
     <param>
       <key>file</key>
-      <value>/user/wire2/richter/abgabe/crash-examples/sync_decim_out_2901_dasding_badrx</value>
+      <value>/tmp/cr/rds-rec_sync-decim_170324_weekend/sync_decim_out_25941</value>
     </param>
     <param>
       <key>_coordinate</key>
@@ -360,11 +360,11 @@
     </param>
     <param>
       <key>maxoutbuf</key>
-      <value>0</value>
+      <value>100000</value>
     </param>
     <param>
       <key>minoutbuf</key>
-      <value>0</value>
+      <value>10000</value>
     </param>
     <param>
       <key>type</key>
@@ -372,7 +372,7 @@
     </param>
     <param>
       <key>repeat</key>
-      <value>True</value>
+      <value>False</value>
     </param>
     <param>
       <key>vlen</key>
@@ -678,7 +678,7 @@ class blk(gr.sync_block):  # other base classes are basic_block, decim_block, in
     </param>
     <param>
       <key>debug</key>
-      <value>True</value>
+      <value>False</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -753,7 +753,7 @@ class blk(gr.sync_block):  # other base classes are basic_block, decim_block, in
     </param>
     <param>
       <key>log</key>
-      <value>False</value>
+      <value>True</value>
     </param>
     <param>
       <key>maxoutbuf</key>
@@ -777,7 +777,7 @@ class blk(gr.sync_block):  # other base classes are basic_block, decim_block, in
     </param>
     <param>
       <key>writeDB</key>
-      <value>False</value>
+      <value>True</value>
     </param>
   </block>
   <block>
@@ -796,7 +796,7 @@ class blk(gr.sync_block):  # other base classes are basic_block, decim_block, in
     </param>
     <param>
       <key>debug</key>
-      <value>True</value>
+      <value>False</value>
     </param>
     <param>
       <key>_enabled</key>