changed sed ' to " to expand the variables

groundstation/fox-startup.sh

@@ -27,12 +27,13 @@ if [ ! -f "$FILE" ]; then
 	
 	echo "Enter your CALLSIGN.  If you don't have a callsign, enter a text string that will be displayed on the FoxTelem leader board at https://amsat.org/tlm"
 	read callsign
-	sudo sed -i 's/callsign=NONE/callsign=$callsign/g' /home/pi/Documents/FITB/FoxTelem.properties
+	sudo sed -i "s/callsign=NONE/callsign=$callsign/g" /home/pi/Documents/FITB/FoxTelem.properties
+	echo
 	
 	echo "Enter your Maidenhead grid square.  It is two letters followed by two numbers followed by two letters with no spaces.  If you don't know your gridsquare, you can look it up here https://dxcluster.ha8tks.hu/hamgeocoding/"
 	read grid
-	sudo sed -i 's/maidenhead=XX00xx/maidenhead=$grid/g' /home/pi/Documents/FITB/FoxTelem.properties
-	
+	sudo sed -i "s/maidenhead=XX00xx/maidenhead=$grid/g" /home/pi/Documents/FITB/FoxTelem.properties
+	echo
 
     elif [ "$ANS" = "2" ]; then