network trace for debug

README.md

@@ -46,6 +46,11 @@ Linux, Windows and OSX. With the [RXTX software](http://morsekob.org/morsekob30/
 for Java (i.e. [librxtxSerial.jnilib](http://blog.brianhemeryck.me/installing-rxtx-on-mac-os-mountain-lion/) on OSX) it is even possible to connect to external hardware. 
 NB: before you transmit make sure you uncheck the "circuit closer".
 
+Or you may want to use tcpdump, i.e.:
+```
+sudo tcpdump -i all -vvvv "host faeroes.sdf.org"
+```
+
 
 # How to use:
 

src/irmc.c

@@ -284,7 +284,7 @@ int main(int argc, char *argv[])
 
 	prepare_id (&id_packet, id);
 	prepare_tx (&tx_data_packet, id);
-	connect_packet.channel = channel; 
+	connect_packet.channel = channel;
 	
 	signal(SIGINT, inthandler);