diff --git a/supersdr.py b/supersdr.py
index 016274e..0df3f45 100755
--- a/supersdr.py
+++ b/supersdr.py
@@ -275,7 +275,7 @@ def plot_eibi(surface_):
     radio_mode = "USB"
 
 kiwi_filter = filtering(KIWI_RATE/2, AUDIO_RATE)
-audio_rec = audio_recording("supersdr_%s.wav"%datetime.now())
+audio_rec = audio_recording("supersdr_%s.wav"%datetime.now().isoformat().split(".")[0].replace(":", "_"))
 
 print(kiwi_host, kiwi_port, kiwi_password, zoom, freq)
 #init KIWI WF and RX audio
diff --git a/utils_supersdr.py b/utils_supersdr.py
index 7786ef3..4042662 100644
--- a/utils_supersdr.py
+++ b/utils_supersdr.py
@@ -177,12 +177,12 @@ def send(self, msg):
 
     def receive(self):
         msg = self.sock.recv(2048)
-        return msg.decode("latin-1")
+        return msg.decode("utf-8")
 
     def run(self, kiwi_snd):
         while not kiwi_snd.terminate:
             dx_cluster_msg = self.receive()
-            print(dx_cluster_msg)
+            print("%s"%dx_cluster_msg.rstrip('\r\n').replace("\x07", ""))
             time.sleep(5)