diff --git a/config b/config
index 086b3874..89727f2c 100755
--- a/config
+++ b/config
@@ -525,14 +525,16 @@ elif [ "$1" = "-c" ]; then
 	echo "$value" > /dev/null
 	set -- $value
 
+	callsign="$1"
+
 	echo "Current value of CALLSIGN is"	
-	echo $1
+	echo $oldcallsign
 	echo
 	
 #	echo $1 $2 $3 $4 $5 $6 $7 $8 $9 ${10} 
 
 	echo "Enter callsign in all capitals: "
-	read callsign
+	read $oldcallsign
 
 	if [ -z $callsign ] ; then
 
@@ -545,6 +547,8 @@ elif [ "$1" = "-c" ]; then
 
 		echo $callsign $2 $3 $4 $5 $6 $7 $8 $9 ${10} ${11}
 		echo $callsign $2 $3 $4 $5 $6 $7 $8 $9 ${10} ${11} > /home/pi/CubeSatSim/sim.cfg
+
+		sudo sed -i 's/$oldcallsign/$callsign/g' /home/pi/pi_pacsat/Debug/pacsat.config
 	fi
 	
 	if [ "$norestart" = "1" ]; then