diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 3a200111..f630d108 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -57,7 +57,7 @@ void setup() {
   digitalWrite(MAIN_LED_GREEN, HIGH);
   digitalWrite(MAIN_LED_BLUE, LOW);	
 
-  mode = FSK; // AFSK;		
+  mode = AFSK; // FSK; // AFSK;		
 
   Serial.begin(9600);