diff --git a/groundstation/command.sh b/groundstation/command.sh
new file mode 100644
index 00000000..fba837e6
--- /dev/null
+++ b/groundstation/command.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# script to send APRS or DTMR commands to a CubeSatSim
+
+sudo killall -9 zenity &>/dev/null
+
+echo
+
+autotune=0
+
+mode=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=400 --title="Transmit Command" --text="Choose the command to transmit" --column="Command" --column="Result" a "APRS Mode" f "FSK Mode" b "BPSK Mode" s "SSTV Mode" m "CM Mode" e "Repeater Mode" j "FUNcube Mode" o "Beacon On/Off")
+
+echo $mode
+
+if [ -z "$mode" ]; then 
+
+echo "No choice made."
+
+fi
+
+if [ "mode" = "a" ]; then
+
+  echo "CHange to APRS mode"
+
+fi
+