diff --git a/libraries/AP_GPS/AP_GPS_SBF.cpp b/libraries/AP_GPS/AP_GPS_SBF.cpp
index f0a59a99cf..f30fe732a6 100644
--- a/libraries/AP_GPS/AP_GPS_SBF.cpp
+++ b/libraries/AP_GPS/AP_GPS_SBF.cpp
@@ -218,6 +218,11 @@ AP_GPS_SBF::process_message(void)
 
             state.ground_course_cd = (int32_t)(100 * ToDeg(atan2f(state.velocity[1], state.velocity[0])));
             state.ground_course_cd = wrap_360_cd(state.ground_course_cd);
+			
+			state.horizontal_accuracy = (float)temp.HAccuracy * 0.01f;
+			state.vertical_accuracy = (float)temp.VAccuracy * 0.01f;
+			state.have_horizontal_accuracy = true;
+			state.have_vertical_accuracy = true;
         }
 
         // Update position state (dont use −2·10^10)
diff --git a/libraries/AP_GPS/AP_GPS_SBF.h b/libraries/AP_GPS/AP_GPS_SBF.h
index 2ee052e758..0ab2f5b459 100644
--- a/libraries/AP_GPS/AP_GPS_SBF.h
+++ b/libraries/AP_GPS/AP_GPS_SBF.h
@@ -82,6 +82,14 @@ private:
          uint16_t MeanCorrAge;
          uint32_t SignalInfo;
          uint8_t AlertFlag;
+		 // rev1
+		 uint8_t NrBases;
+		 uint16_t PPPInfo;
+		 // rev2
+		 uint16_t Latency;
+		 uint16_t HAccuracy;
+		 uint16_t VAccuracy;
+		 uint8_t Misc;
     };
   
     struct PACKED msg4001