diff --git a/groundstation/aprs-cubesatsim.sh b/groundstation/aprs-cubesatsim.sh
index 4599d9b4..c991843c 100755
--- a/groundstation/aprs-cubesatsim.sh
+++ b/groundstation/aprs-cubesatsim.sh
@@ -35,7 +35,8 @@ value=`aplay -l | grep "Loopback"`
 echo "$value" > /dev/null
 set -- $value
 
-rtl_fm -M fm -f 434.9M -s 48k | aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1
+#rtl_fm -M fm -f 434.9M -s 48k | aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1
+rtl_fm -M fm -f 434.9M -s 48k | tee >(aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1) | aplay -D hw:0,0 -r 48000 -t raw -f S16_LE -c 1