         lastAutomaticUpdate = millis();
         memcpy(&newHeading, &data[1], sizeof(newHeading));
         automaticHeading = ((float)newHeading) * M_PI / 180.0;
-        Serial.print("Automatic heading: "); Serial.println(automaticHeading);
+//        Serial.print("Automatic heading: "); Serial.println(automaticHeading);
         break;
       }
     case SBTSailbotModelHeaderManualControl: {

#define DATA_PACKET_SEND_INTERVAL  500
#define  SERIAL_PORT_SPEED  9600

#define MAX_MANUAL 20.0
#define MAX_RUDDER (M_PI/4.0)

unsigned long lastDataPacketSent;
unsigned long timeOnTackSequence;

bool calibratedWind;
float windDirection;
float heading;
float heel;
float automaticHeading;
float rudder;
float sheet;
