diff --git a/Adafruit_GPS.h b/Adafruit_GPS.h
index 94abbfa..a3a8127 100755
--- a/Adafruit_GPS.h
+++ b/Adafruit_GPS.h
@@ -56,9 +56,11 @@
 
 #define PMTK_SET_NMEA_OUTPUT_RMCONLY "$PMTK314,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*29"  ///< turn on only the second sentence (GPRMC)
 #define PMTK_SET_NMEA_OUTPUT_RMCGGA "$PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28"   ///< turn on GPRMC and GGA
+#define PMTK_SET_NMEA_OUTPUT_GGAONLY "$PMTK314,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*29"  ///< turn on just the GGA
 #define PMTK_SET_NMEA_OUTPUT_ALLDATA "$PMTK314,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0*28"  ///< turn on ALL THE DATA
 #define PMTK_SET_NMEA_OUTPUT_OFF "$PMTK314,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28"      ///< turn off output
 
+
 // to generate your own sentences, check out the MTK command datasheet and use a checksum calculator
 // such as the awesome http://www.hhhh.org/wiml/proj/nmeaxor.html