add try around read for UTF-8 issue

dtmf_aprs_cc.py

@@ -27,6 +27,7 @@ if __name__ == "__main__":
 		if ('d' == sys.argv[1]):
 			debug_mode = True
 
+	try:		
 		for line in sys.stdin:
 	#		if (debug_mode):
 			print(line, end =" ")
@@ -170,8 +171,9 @@ if __name__ == "__main__":
 				print("\n/home/pi/CubeSatSim/config -" + mode)
 				system("/home/pi/CubeSatSim/config -" + mode)
 				
-			
 				change_mode = False
+		except:
+			print("Error reading line (probably due to UTF-8 issue)")
 			
 	print("Waiting 5 seconds to allow unplug and plug of soundcard")
 	sleep(5)