diff --git a/rpitx.py b/rpitx.py
index ff890fd1..b45e829b 100644
--- a/rpitx.py
+++ b/rpitx.py
@@ -59,7 +59,9 @@ if __name__ == "__main__":
 				print("AFSK")
 				time.sleep(4)
 				for x in range(5):
+					GPIO.output(txLed, txLedOn);
 					system("sudo gen_packets -o /home/pi/CubeSatSim/telem.wav /home/pi/CubeSatSim/t.txt -r 48000 > /dev/null 2>&1 && cat /home/pi/CubeSatSim/telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1")
+					GPIO.output(txLed, txLedOff);
 					time.sleep(4)
 				while True:
 					try: