Update update remove rpitx.service, add and update transmit.service

update

@@ -69,16 +69,27 @@ fi
 
 sudo systemctl disable rpitx
 
-if [[ $(diff systemd/rpitx.service /etc/systemd/system/rpitx.service) ]]; then
-  echo "changed rpitx.service."
-  sudo cp /home/pi/CubeSatSim/systemd/rpitx.service /etc/systemd/system/rpitx.service
+FILE=/etc/systemd/system/rpitx.service
+if [ -f "$FILE" ]; then
+  sudo systemctl disable rpitx
+  sudo rm /etc/systemd/system/rpitx.service
+fi
+
+FILE=/etc/systemd/system/transmit.service
+if [ -f "$FILE" ]; then
+  if [[ $(diff systemd/transmit.service /etc/systemd/system/transmit.service) ]]; then
+    echo "changed transmit.service."
+    sudo cp /home/pi/CubeSatSim/systemd/transmit.service /etc/systemd/system/transmit.service
     FLAG=1
+  else
+    echo "no change to transmit.service."
+  fi
 else
-  echo "no changes to rpitx.service."
+  echo "creating transmit.service."
+  sudo cp /home/pi/CubeSatSim/systemd/transmit.service /etc/systemd/system/transmit.service
+  FLAG=1
 fi
 
-sudo systemctl disable rpitx
-
 FILE=/etc/systemd/system/command.service
 if [ -f "$FILE" ]; then
   if [[ $(diff systemd/command.service /etc/systemd/system/command.service) ]]; then