diff --git a/change_mode.py b/change_mode.py
index cf8d9aca..31bc0ac7 100644
--- a/change_mode.py
+++ b/change_mode.py
@@ -4,15 +4,171 @@ import time
 from time import sleep
 #import os
 import sys
+import RPi.GPIO as GPIO
+from RPi.GPIO import output
+from subprocess import call
 
 if __name__ == "__main__":
-  if (len(sys.argv)) > 1:
+	mode = 'b'
+	if (len(sys.argv)) > 1:
 #        	print("There are arguments!")
-		if (('d' == sys.argv[1]) or ('-d' in sys.argv[1])):
-			debug_mode = 1
-		elif (('x' == sys.argv[1]) or ('-x' in sys.argv[1])):	
-			mode = "x"
-			print("Forcing APRS mode")
-		elif (('s' == sys.argv[1]) or ('-s' in sys.argv[1])):
-			skip = True
-			print("Skipping delay and CW ID")
+		mode = sys.argv[1]
+		
+	print(mode)
+
+	GPIO.setmode(GPIO.BCM)
+	GPIO.setwarnings(False)
+	GPIO.setup(powerPin, GPIO.OUT)
+	GPIO.setup(txLed, GPIO.OUT)
+
+	if (mode == 'f'):
+		GPIO.output(powerPin, 0) # blink two times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(1)
+
+	elif (mode == 'b'):
+		GPIO.output(powerPin, 0) # blink three times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(1)
+	
+	elif (mode == 's'):
+		GPIO.output(powerPin, 0) # blink four times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(1)
+
+	elif (mode == 'm'):
+		GPIO.output(powerPin, 0) # blink five times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1);
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(1)
+
+	elif (mode == 'e'):
+		GPIO.output(powerPin, 0) # blink six times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1);
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(1)
+
+	elif (mode == 'j'):
+		GPIO.output(powerPin, 0) # blink seven times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1);
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(1)			
+	
+	elif (mode == 'a'):
+		mode = 'a'
+		GPIO.output(powerPin, 0) # blink one time
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(1)
+	
+	try:
+		file = open("/home/pi/CubeSatSim/command_count.txt", "r")
+		string = file.read()
+		file.close()
+		command_count = int(string)
+		command_count += 1
+		filec = open("/home/pi/CubeSatSim/command_count.txt", "w")
+		command_count_string = str(command_count)
+		print(command_count_string)
+		string = filec.write(command_count_string)
+		filec.close()
+	except:
+		print("Can't write command_count file!")
+	print("Command_count: ")
+	print(command_count)	
+	
+	GPIO.output(txLed, 0)
+	GPIO.output(powerPin, 0)
+	call("sudo systemctl stop rpitx", shell=True)
+#			system("sudo systemctl stop cubesatsim")
+	
+	print("\n/home/pi/CubeSatSim/config -" + mode)
+	call("/home/pi/CubeSatSim/config -" + mode, shell=True)
+