diff --git a/groundstation/pacsat.sh b/groundstation/pacsat.sh
index aefa59f1..7da23968 100755
--- a/groundstation/pacsat.sh
+++ b/groundstation/pacsat.sh
@@ -220,7 +220,7 @@ if [ "$txc" = "0" ] ; then
   #rtl_fm -M fm -f 144.39M -s 48k | aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1
   rtl_fm -M fm -f $frequency -s 48k | tee >(aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1) | aplay -r 48000 -t raw -f S16_LE -c 1
   
-  rtl_fm -M fm -f $frequency -s 48k | aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1 &
+  rtl_fm -g 48 -P+ -D1 -M fm -f $frequency -s 48k | aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1 &
 
 fi