diff --git a/Adafruit_GPS.h b/Adafruit_GPS.h
index a4f91cb..cf9679b 100644
--- a/Adafruit_GPS.h
+++ b/Adafruit_GPS.h
@@ -20,7 +20,6 @@ All text above must be included in any redistribution
 #ifndef _ADAFRUIT_GPS_H
 #define _ADAFRUIT_GPS_H
 
-#include <Adafruit_GPS.h>
 #if ARDUINO >= 100
  #include <SoftwareSerial.h>
 #else
@@ -55,6 +54,11 @@ All text above must be included in any redistribution
 #define LOCUS_OVERLAP 0
 #define LOCUS_FULLSTOP 1
 
+// standby command & boot successful message
+#define PMTK_STANDBY "$PMTK161,0*28"
+#define PMTK_STANDBY_SUCCESS "$PMTK001,161,3*3"  // Not needed currently
+#define PMTK_AWAKE "$PMTK010,002*2D"
+
 // ask for the release and version
 #define PMTK_Q_RELEASE "$PMTK605*31"
 
@@ -96,6 +100,9 @@ class Adafruit_GPS {
   boolean parse(char *);
   void interruptReads(boolean r);
 
+  boolean wakeup(void);
+ boolean standby(void);
+
   uint8_t hour, minute, seconds, year, month, day;
   uint16_t milliseconds;
   float latitude, longitude, geoidheight, altitude;