diff --git a/libraries/DataFlash/DataFlash.h b/libraries/DataFlash/DataFlash.h
index 1b093c00e8..82f95af6c6 100644
--- a/libraries/DataFlash/DataFlash.h
+++ b/libraries/DataFlash/DataFlash.h
@@ -48,6 +48,7 @@ public:
     void Log_Write_Format(const struct LogStructure *structure);
     void Log_Write_Parameter(const char *name, float value);
     void Log_Write_GPS(const GPS *gps, int32_t relative_alt);
+    void Log_Write_GPS2(const GPS *gps);
     void Log_Write_IMU(const AP_InertialSensor &ins);
     void Log_Write_RCIN(void);
     void Log_Write_RCOUT(void);
@@ -171,6 +172,24 @@ struct PACKED log_GPS {
     uint32_t apm_time;
 };
 
+struct PACKED log_GPS2 {
+    LOG_PACKET_HEADER;
+    uint8_t  status;
+    uint32_t gps_week_ms;
+    uint16_t gps_week;
+    uint8_t  num_sats;
+    int16_t  hdop;
+    int32_t  latitude;
+    int32_t  longitude;
+    int32_t  altitude;
+    uint32_t ground_speed;
+    int32_t  ground_course;
+    float    vel_z;
+    uint32_t apm_time;
+    uint8_t  dgps_numch;
+    uint32_t dgps_age;
+};
+
 struct PACKED log_Message {
     LOG_PACKET_HEADER;
     char msg[64];
@@ -306,6 +325,8 @@ struct PACKED log_EKF4 {
       "PARM", "Nf",        "Name,Value" },    \
     { LOG_GPS_MSG, sizeof(log_GPS), \
       "GPS",  "BIHBcLLeeEefI", "Status,TimeMS,Week,NSats,HDop,Lat,Lng,RelAlt,Alt,Spd,GCrs,VZ,T" }, \
+    { LOG_GPS2_MSG, sizeof(log_GPS2), \
+      "GPS2",  "BIHBcLLeEefIBI", "Status,TimeMS,Week,NSats,HDop,Lat,Lng,Alt,Spd,GCrs,VZ,T,DSc,DAg" }, \
     { LOG_IMU_MSG, sizeof(log_IMU), \
       "IMU",  "Iffffff",     "TimeMS,GyrX,GyrY,GyrZ,AccX,AccY,AccZ" }, \
     { LOG_IMU2_MSG, sizeof(log_IMU), \
@@ -350,6 +371,7 @@ struct PACKED log_EKF4 {
 #define LOG_EKF2_MSG      141
 #define LOG_EKF3_MSG      142
 #define LOG_EKF4_MSG      143
+#define LOG_GPS2_MSG	  144
 
 #include "DataFlash_Block.h"
 #include "DataFlash_File.h"
diff --git a/libraries/DataFlash/LogFile.cpp b/libraries/DataFlash/LogFile.cpp
index add5ffe30b..3a38a58f92 100644
--- a/libraries/DataFlash/LogFile.cpp
+++ b/libraries/DataFlash/LogFile.cpp
@@ -673,6 +673,29 @@ void DataFlash_Class::Log_Write_GPS(const GPS *gps, int32_t relative_alt)
     WriteBlock(&pkt, sizeof(pkt));
 }
 
+// Write a GPS2 packet
+void DataFlash_Class::Log_Write_GPS2(const GPS *gps)
+{
+    struct log_GPS2 pkt = {
+        LOG_PACKET_HEADER_INIT(LOG_GPS2_MSG),
+    	status        : (uint8_t)gps->status(),
+    	gps_week_ms   : gps->time_week_ms,
+    	gps_week      : gps->time_week,
+        num_sats      : gps->num_sats,
+        hdop          : gps->hdop,
+        latitude      : gps->latitude,
+        longitude     : gps->longitude,
+        altitude      : gps->altitude_cm,
+        ground_speed  : gps->ground_speed_cm,
+        ground_course : gps->ground_course_cd,
+        vel_z         : gps->velocity_down(),
+        apm_time      : hal.scheduler->millis(),
+        dgps_numch    : 0,
+        dgps_age      : 0
+    };
+    WriteBlock(&pkt, sizeof(pkt));
+}
+
 // Write an RCIN packet
 void DataFlash_Class::Log_Write_RCIN(void)
 {