Update pacsat.sh add l parameter

groundstation/pacsat.sh

@@ -78,7 +78,7 @@ echo
 #echo
 
 echo 
-echo "The Pacsat Ground Station are running on this Pi using FM receiver and rpitx transmitter"
+echo "The Pacsat Ground Station is running on this Pi using FM receiver or RTL-SDR"
 echo
 
 #cd /home/pi/Desktop/PacSatGround_0.46m_linux/
@@ -90,12 +90,21 @@ echo
 
 sudo usermod -a -G gpio pi
 
-/usr/bin/x-terminal-emulator --geometry=120x40 -e "/home/pi/CubeSatSim/groundstation/pacsat-df.sh"
+if [ ! "$1" = "l" ]; then
+#/usr/bin/x-terminal-emulator --geometry=120x40 -e "/home/pi/CubeSatSim/groundstation/pacsat-df.sh"
+  echo "Using TXC FM transceiver"
+  /home/pi/CubeSatSim/groundstation/pacsat-df.sh
+
+else
+  echo "Using audio loopback"
+  /home/pi/CubeSatSim/groundstation/pacsat-d.sh
+
+fi
 
 # arecord -D plughw:CARD=Loopback,DEV=1 -f S16_LE -r 48000 -c 1 | csdr convert_s16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 435045 &
 ##arecord -D plughw:CARD=Loopback,DEV=1 -f S16_LE -r 48000 -c 1 | csdr convert_s16_f | csdr gain_ff 4000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 435045 &
 
-echo "Don't close the direwolf window or the Pacsatsim will stop running."
+# echo "Don't close the direwolf window or the Pacsatsim will stop running."
 
 cd /home/pi/Desktop/PacsatGround/