diff --git a/grc/crfa_rds_parser_table_qt.xml b/grc/crfa_rds_parser_table_qt.xml
index 97e4670..eda70e9 100644
--- a/grc/crfa_rds_parser_table_qt.xml
+++ b/grc/crfa_rds_parser_table_qt.xml
@@ -13,7 +13,7 @@
 #end if
 $(signals) = rds_parser_table_qt_Signals()
 self.$(id) = crfa.rds_parser_table_qt($(signals),$nPorts,self.set_$(freq_tune),$freq_tune,$log, $debug,$workdir,$writeDB)
-$(win) = rds_parser_table_qt_Widget($signals, $label,self.$(id))
+$(win) = rds_parser_table_qt_Widget($signals, $label,self.$(id),$showTMC)
 $(gui_hint()($win))</make>
   <callback>set_freq_tune($freq_tune);</callback>
   <param>
@@ -50,6 +50,20 @@ $(gui_hint()($win))</make>
     <type>int</type>
     <hide>part</hide>
   </param>
+  	<param>
+		<name>show TMC</name>
+		<key>showTMC</key>
+		<value>False</value>
+		<type>bool</type>
+		<option>
+			<name>Enable</name>
+			<key>True</key>
+		</option>
+		<option>
+			<name>Disable</name>
+			<key>False</key>
+		</option>
+	</param>
 	<param>
 		<name>Log</name>
 		<key>log</key>
diff --git a/grc/crfa_vector_cutter.xml b/grc/crfa_vector_cutter.xml
index 3442ade..63f6dec 100644
--- a/grc/crfa_vector_cutter.xml
+++ b/grc/crfa_vector_cutter.xml
@@ -4,13 +4,14 @@
   <key>crfa_vector_cutter</key>
   <category>[crfa]</category>
   <import>import crfa</import>
-  <make>crfa.vector_cutter($insize, $outsize, $cutpoint,$pad_out)</make>
+  <make>crfa.vector_cutter($insize, $outsize, $cutpoint,$pad_out,$zero_len)</make>
   <!-- Make one 'param' node for every Parameter you want settable from the GUI.
        Sub-nodes:
        * name
        * key (makes the value accessible as $keyname, e.g. in the make node)
        * type -->
   <callback>set_cutpoint($cutpoint);</callback>
+  <callback>set_zero_len($zero_len);</callback>
 <!--  <param>
     <name>padded output</name>
     <key>pad_out</key>
@@ -40,6 +41,12 @@
       <key>False</key>
     </option>
   </param>
+  <param>
+    <name>num-zeros</name>
+    <key>zero_len</key>
+    <value>0</value>
+    <type>int</type>
+  </param>
   <param>
     <name>insize</name>
     <key>insize</key>
diff --git a/python/cache/data7/0/3loioqhp.d b/python/cache/data7/0/3loioqhp.d
deleted file mode 100644
index 29be29c..0000000
Binary files a/python/cache/data7/0/3loioqhp.d and /dev/null differ
diff --git a/python/cache/data7/3/2jayz5n3.d b/python/cache/data7/3/2jayz5n3.d
deleted file mode 100644
index 2b536ce..0000000
Binary files a/python/cache/data7/3/2jayz5n3.d and /dev/null differ
diff --git a/python/cache/data7/5/2yrvdig5.d b/python/cache/data7/5/2yrvdig5.d
deleted file mode 100644
index 939b825..0000000
Binary files a/python/cache/data7/5/2yrvdig5.d and /dev/null differ
diff --git a/python/cache/data7/5/3k87jkxu.d b/python/cache/data7/5/3k87jkxu.d
deleted file mode 100644
index 37c61ed..0000000
Binary files a/python/cache/data7/5/3k87jkxu.d and /dev/null differ
diff --git a/python/cache/data7/6/2h60aaa6.d b/python/cache/data7/6/2h60aaa6.d
deleted file mode 100644
index f3dc20e..0000000
Binary files a/python/cache/data7/6/2h60aaa6.d and /dev/null differ
diff --git a/python/cache/data7/6/3kqqka76.d b/python/cache/data7/6/3kqqka76.d
deleted file mode 100644
index 07c02be..0000000
Binary files a/python/cache/data7/6/3kqqka76.d and /dev/null differ
diff --git a/python/cache/data7/7/388lt1tw.d b/python/cache/data7/7/388lt1tw.d
deleted file mode 100644
index 1ed0a5e..0000000
Binary files a/python/cache/data7/7/388lt1tw.d and /dev/null differ
diff --git a/python/cache/data7/9/28slll29.d b/python/cache/data7/9/28slll29.d
deleted file mode 100644
index 453f040..0000000
Binary files a/python/cache/data7/9/28slll29.d and /dev/null differ
diff --git a/python/cache/data7/9/34vyu839.d b/python/cache/data7/9/34vyu839.d
deleted file mode 100644
index b709433..0000000
Binary files a/python/cache/data7/9/34vyu839.d and /dev/null differ
diff --git a/python/cache/data7/9/3hmw9s8i.d b/python/cache/data7/9/3hmw9s8i.d
deleted file mode 100644
index 782707e..0000000
Binary files a/python/cache/data7/9/3hmw9s8i.d and /dev/null differ
diff --git a/python/cache/data7/a/32on7s1j.d b/python/cache/data7/a/32on7s1j.d
deleted file mode 100644
index d6704e8..0000000
Binary files a/python/cache/data7/a/32on7s1j.d and /dev/null differ
diff --git a/python/cache/data7/a/3e289n0j.d b/python/cache/data7/a/3e289n0j.d
deleted file mode 100644
index caac23d..0000000
Binary files a/python/cache/data7/a/3e289n0j.d and /dev/null differ
diff --git a/python/cache/data7/b/2y312ork.d b/python/cache/data7/b/2y312ork.d
deleted file mode 100644
index 59fc90b..0000000
Binary files a/python/cache/data7/b/2y312ork.d and /dev/null differ
diff --git a/python/rds_parser_table_qt.py b/python/rds_parser_table_qt.py
index 40486a9..c0450ab 100644
--- a/python/rds_parser_table_qt.py
+++ b/python/rds_parser_table_qt.py
@@ -503,12 +503,13 @@ class tmc_message:
     else:
       return "88:88"
   def __init__(self,PI,tmc_x,tmc_y,tmc_z,datetime_received,tableobj):#TODO handle out of sequence data
+    self.psn=tableobj.RDS_data[PI]["PSN"]
     #check LTN
     try:
       msg_ltn=tableobj.RDS_data[PI]["AID_list"][52550]["LTN"]
       table_ltn=1#german table
       if msg_ltn != table_ltn  and tableobj.debug:
-	print("msg_ltn:%i does not match given table (1)"%msg_ltn)
+	print("msg_ltn:%i does not match given table (1) on station: %s"%(msg_ltn,self.psn))
     except KeyError:
       if tableobj.debug:
 	print("no LTN found")
@@ -520,7 +521,6 @@ class tmc_message:
       self.hastime=True
     self.debug_data=""
     self.tableobj=tableobj
-    self.psn=tableobj.RDS_data[PI]["PSN"]
     self.PI=PI
     #self.isCancelled=False
     self.cancellation_time=None
@@ -749,6 +749,7 @@ class rds_parser_table_qt(gr.sync_block):#START
 	  for i in range(0,nPorts):
 	    self.message_port_register_in(pmt.intern('in%d'%i))
 	    self.set_msg_handler(pmt.intern('in%d'%i), functools.partial(self.handle_msg, port=i))
+	self.nPorts=nPorts
 	self.message_port_register_in(pmt.intern('freq'))
 	self.set_msg_handler(pmt.intern('freq'), self.set_freq)
 	self.message_port_register_out(pmt.intern('ctrl'))
@@ -838,8 +839,10 @@ class rds_parser_table_qt(gr.sync_block):#START
 	reader.next()#skip header
 	self.pty_dict=dict((int(rows[0]),rows[1]) for rows in reader)
 	f.close()
-
+	self.minute_count=0
+	self.minute_count_timer=time.time()
 	self.save_data_timer=time.time()
+	
 	atexit.register(self.goodbye)
 	
     def clean_data_and_commit_db(self):
@@ -900,7 +903,13 @@ class rds_parser_table_qt(gr.sync_block):#START
 	if time.time()-self.save_data_timer > 10:#every 10 seconds
 	  self.save_data_timer=time.time()
 	  self.clean_data_and_commit_db()
+	  
+	if time.time()-self.minute_count_timer > 3:#every 3 second
+	  self.minute_count=0
+	  self.minute_count_timer=time.time()
 	pr.enable()#disabled-internal-profiling
+	self.minute_count+=1
+	self.signals.DataUpdateEvent.emit({'group_count':self.minute_count})
 	if self.writeDB:
 	  #db=sqlite3.connect(self.db_name)
 	  db=self.db
@@ -1338,7 +1347,8 @@ class rds_parser_table_qt(gr.sync_block):#START
 	      #print("TMC-info variant:%i"%adr)
 	      if adr==4 or adr==5:#service provider name
 		segment=self.decode_chars(chr(array[4])+chr(array[5])+chr(array[6])+chr(array[7]))
-		print("adr:%i, segment:%s"%(adr,segment))
+		if self.debug:
+		  print("TMC-info adr:%i (provider name), segment:%s"%(adr,segment))
 	      if adr== 7:#freq of tuned an mapped station (not seen yet)
 		freq_TN=tmc_y>>8
 		freq_ON=tmc_y&0xff#mapped frequency
@@ -1624,10 +1634,11 @@ class rds_parser_table_qt(gr.sync_block):#START
       formatted_text=("<span style='font-family:Courier New;color:%s'>%s</span>"*3)% (textcolor,text[:start],segmentcolor,text[start:end],textcolor,text[end:])
       return formatted_text
 class rds_parser_table_qt_Widget(QtGui.QWidget):
-    def __init__(self, signals,label,tableobj):
+    def __init__(self, signals,label,tableobj,showTMC):
 	#print("gui initializing")self.tableobj.RDS_data["D3A2"]
 	self.signals = signals
 	self.tableobj=tableobj
+	self.showTMC=showTMC
 	self.signals.DataUpdateEvent.connect(self.display_data)
         """ Creates the QT Range widget """
         QtGui.QWidget.__init__(self)
@@ -1669,33 +1680,39 @@ class rds_parser_table_qt_Widget(QtGui.QWidget):
         mode_button.clicked.connect(self.switchMode)
         button_layout.addWidget(mode_button)
         layout.addLayout(button_layout)
-        
-        self.freq_label=QtGui.QLabel("decoder frequencies:")
-        layout.addWidget(self.freq_label)     
-        self.tmc_message_label=QtGui.QLabel("TMC messages:")
-        self.event_filter=QtGui.QLineEdit()#QPlainTextEdit ?
-        self.location_filter=QtGui.QLineEdit(u"Baden-Württemberg")
-        #self.location_filter=QtGui.QLineEdit(u"")
-        self.event_filter.returnPressed.connect(self.filterChanged)
-	self.location_filter.returnPressed.connect(self.filterChanged)
-        
-        filter_layout = Qt.QHBoxLayout()
-        filter_layout.addWidget(QtGui.QLabel("event filter:"))
-        filter_layout.addWidget(self.event_filter)
-        filter_layout.addWidget(QtGui.QLabel("location filter:"))
-        filter_layout.addWidget(self.location_filter)
-        
-        layout.addLayout(filter_layout)
-        layout.addWidget(self.tmc_message_label)
-        self.logOutput = Qt.QTextEdit()
-        self.logOutput.setReadOnly(True)
-        self.logOutput.setLineWrapMode(Qt.QTextEdit.NoWrap)
-        self.logOutput.setMaximumHeight(150)
-        font = self.logOutput.font()
-        font.setFamily("Courier")
-        font.setPointSize(10)
+        label_layout = Qt.QHBoxLayout()
+	self.freq_label=QtGui.QLabel("decoder frequencies:")
+	self.count_label=QtGui.QLabel("count:")
+        label_layout.addWidget(self.freq_label)  
+        label_layout.addWidget(self.count_label)  
+        layout.addLayout(label_layout)
+        #TODO set different minsize if TMC is shown
+        self.setMinimumSize(Qt.QSize(500,50*self.tableobj.nPorts))
+        if self.showTMC:
+	  self.tmc_message_label=QtGui.QLabel("TMC messages:")
+	  self.event_filter=QtGui.QLineEdit()#QPlainTextEdit ?
+	  self.location_filter=QtGui.QLineEdit(u"Baden-Württemberg")
+	  #self.location_filter=QtGui.QLineEdit(u"")
+	  self.event_filter.returnPressed.connect(self.filterChanged)
+	  self.location_filter.returnPressed.connect(self.filterChanged)
+	  
+	  filter_layout = Qt.QHBoxLayout()
+	  filter_layout.addWidget(QtGui.QLabel("event filter:"))
+	  filter_layout.addWidget(self.event_filter)
+	  filter_layout.addWidget(QtGui.QLabel("location filter:"))
+	  filter_layout.addWidget(self.location_filter)
+	  
+	  layout.addLayout(filter_layout)
+	  layout.addWidget(self.tmc_message_label)
+	  self.logOutput = Qt.QTextEdit()
+	  self.logOutput.setReadOnly(True)
+	  self.logOutput.setLineWrapMode(Qt.QTextEdit.NoWrap)
+	  self.logOutput.setMaximumHeight(150)
+	  font = self.logOutput.font()
+	  font.setFamily("Courier")
+	  font.setPointSize(10)
+	  layout.addWidget(self.logOutput)
         self.lastResizeTime=0
-        layout.addWidget(self.logOutput)
         self.clip = QtGui.QApplication.clipboard()
 	#self.cb.clear(mode=cb.Clipboard )	
 	#self.cb.setText("Clipboard Text", mode=cb.Clipboard)
@@ -1747,9 +1764,11 @@ class rds_parser_table_qt_Widget(QtGui.QWidget):
       self.table.setCellWidget(rowPosition,button_col,cellWidget)
     def display_data(self, event):
 	#pp.pprint(event)
+	if type(event)==dict and event.has_key('group_count'):
+	  self.count_label.setText("count:%i"%event['group_count'])
 	if type(event)==dict and event.has_key('decoder_frequencies'):
 	  self.freq_label.setText(event['decoder_frequencies'])
-	if type(event)==dict and event.has_key('TMC_log'):
+	if type(event)==dict and event.has_key('TMC_log') and self.showTMC:
 	  tmc_msg=event['TMC_log']
 	  ef=unicode(self.event_filter.text().toUtf8(), encoding="UTF-8").lower()
 	  lf=unicode(self.location_filter.text().toUtf8(), encoding="UTF-8").lower()
@@ -1768,7 +1787,7 @@ class rds_parser_table_qt_Widget(QtGui.QWidget):
 	    #self.logOutput.append(Qt.QString.fromUtf8(message_string))
 	    #if event.has_key('multi_str'):
 	      #self.logOutput.append(Qt.QString.fromUtf8(event['multi_str']))
-	if type(event)==dict and event.has_key('TMC_log_str'):
+	if type(event)==dict and event.has_key('TMC_log_str')and self.showTMC:
 	  ef=unicode(self.event_filter.text().toUtf8(), encoding="UTF-8").lower()
 	  lf=unicode(self.location_filter.text().toUtf8(), encoding="UTF-8").lower()
 	  text=unicode(event['TMC_log_str'], encoding="UTF-8").lower()
diff --git a/python/vector_cutter.py b/python/vector_cutter.py
index 7813748..b02264a 100644
--- a/python/vector_cutter.py
+++ b/python/vector_cutter.py
@@ -27,7 +27,7 @@ class vector_cutter(gr.sync_block):
     """
     docstring for block vector_cutter
     """
-    def __init__(self, insize=2048,outsize=1024,cutpoint=512,pad_out=False):
+    def __init__(self, insize=2048,outsize=1024,cutpoint=512,pad_out=False,zero_len=0):
 	if pad_out:
 	  gr.sync_block.__init__(self,
             name="vector_cutter",
@@ -41,9 +41,17 @@ class vector_cutter(gr.sync_block):
 	self.cutpoint=cutpoint
 	self.insize=insize
 	self.outsize=outsize
-	print(pad_out)
+	#print(pad_out)
 	self.pad_out=pad_out
-
+	self.zero_len=zero_len
+	self.mask=np.concatenate((np.zeros(zero_len),np.ones(outsize-zero_len*2),np.zeros(zero_len)))
+    def set_zero_len(self,zero_len=None):
+       if zero_len is not None:
+	      if isinstance(zero_len, float) or isinstance(zero_len, int):
+		      self.zero_len=zero_len
+	      else:
+		      self.zero_len = int(zero_len)     
+	      self.mask=np.concatenate((np.zeros(self.zero_len),np.ones(self.outsize-self.zero_len*2),np.zeros(self.zero_len)))
     def set_cutpoint(self, cutpoint=None):
      #print("cutpoint set to  %i"%cutpoint)
       if cutpoint is not None:
@@ -62,14 +70,20 @@ class vector_cutter(gr.sync_block):
         attenuation=1e-2#40db (power)
 	for i,in_vec in enumerate(in0):
 	  if 0<=cutpoint<self.insize-self.outsize:
-	    out[i]=in_vec[cutpoint:cutpoint+self.outsize]
+	    out_cut=in_vec[cutpoint:cutpoint+self.outsize]
 	    if self.pad_out:
 	      out_padded[i]=in_vec*np.concatenate((attenuation*np.ones(cutpoint),np.ones(self.outsize),attenuation*np.ones(self.insize-self.outsize-cutpoint)))
 	  elif cutpoint <=self.insize:
-	    out[i]=np.append(in_vec[cutpoint:self.insize],in_vec[0:self.outsize-self.insize+cutpoint])
+	    out_cut=np.append(in_vec[cutpoint:self.insize],in_vec[0:self.outsize-self.insize+cutpoint])
 	    if self.pad_out:
 	      out_padded[i]=in_vec*np.concatenate((np.ones(cutpoint+self.outsize-self.insize),attenuation*np.ones(self.insize-self.outsize),np.ones(self.insize-cutpoint)))
+	  else:
+	    out_cut=in_vec[0:self.outsize]#dummy values
 	  #out[i]=np.append(out_cut[self.outsize/2:self.outsize],out_cut[0:self.outsize/2])
+	  if self.zero_len==0:
+	    out[i]=out_cut
+	  else:
+	    out[i]=out_cut*self.mask
 	#out = in0[512:1536]
         #code.interact(local=locals())
         #out[0] = in0[0][512:1536]