add !command_tx to stop pacsatsim

transmit.py

@@ -324,8 +324,6 @@ if __name__ == "__main__":
 				print("Can't open .mode file, defaulting to FSK")
 	print("Mode is: ")
 	print(mode)
-	if ( mode != "p"):
-		system("sudo systemctl stop pacsatsim")
 
 	try:
 		file = open("/home/pi/CubeSatSim/beacon_off")
@@ -338,6 +336,9 @@ if __name__ == "__main__":
 	print("Command_tx: ")
 	print(command_tx)
 
+	if (mode != "p") || (!command_tx):
+		system("sudo systemctl stop pacsatsim")
+	
 	try:
 		file = open("/home/pi/CubeSatSim/command_count.txt", "r")
 		string = file.read()