diff --git a/libraries/DataFlash/LogFile.cpp b/libraries/DataFlash/LogFile.cpp
index 428d6d4daa..0e7bd27b6d 100644
--- a/libraries/DataFlash/LogFile.cpp
+++ b/libraries/DataFlash/LogFile.cpp
@@ -1420,7 +1420,10 @@ void DataFlash_Class::Log_Write_EKF2(AP_AHRS_NavEKF &ahrs, bool optFlowEnabled)
                     beaconPosE : (int16_t)(100*beaconPosNED.y),
                     beaconPosD : (int16_t)(100*beaconPosNED.z),
                     offsetHigh : (int16_t)(100*bcnPosOffsetHigh),
-                    offsetLow : (int16_t)(100*bcnPosOffsetLow)
+                    offsetLow : (int16_t)(100*bcnPosOffsetLow),
+                    posN : 0,
+                    posE : 0,
+                    posD : 0
                 };
                 WriteBlock(&pkt10, sizeof(pkt10));
             }
@@ -1695,7 +1698,8 @@ void DataFlash_Class::Log_Write_EKF3(AP_AHRS_NavEKF &ahrs, bool optFlowEnabled)
     Vector3f beaconPosNED;
     float bcnPosOffsetHigh;
     float bcnPosOffsetLow;
-     if (ahrs.get_NavEKF3().getRangeBeaconDebug(-1, ID, rng, innov, innovVar, testRatio, beaconPosNED, bcnPosOffsetHigh, bcnPosOffsetLow)) {
+    Vector3f posNED;
+     if (ahrs.get_NavEKF3().getRangeBeaconDebug(-1, ID, rng, innov, innovVar, testRatio, beaconPosNED, bcnPosOffsetHigh, bcnPosOffsetLow, posNED)) {
         if (rng > 0.0f) {
             struct log_RngBcnDebug pkt10 = {
                 LOG_PACKET_HEADER_INIT(LOG_XKF10_MSG),
@@ -1709,7 +1713,11 @@ void DataFlash_Class::Log_Write_EKF3(AP_AHRS_NavEKF &ahrs, bool optFlowEnabled)
                 beaconPosE : (int16_t)(100*beaconPosNED.y),
                 beaconPosD : (int16_t)(100*beaconPosNED.z),
                 offsetHigh : (int16_t)(100*bcnPosOffsetHigh),
-                offsetLow : (int16_t)(100*bcnPosOffsetLow)
+                offsetLow : (int16_t)(100*bcnPosOffsetLow),
+                posN : (int16_t)(100*posNED.x),
+                posE : (int16_t)(100*posNED.y),
+                posD : (int16_t)(100*posNED.z)
+
              };
             WriteBlock(&pkt10, sizeof(pkt10));
         }
diff --git a/libraries/DataFlash/LogStructure.h b/libraries/DataFlash/LogStructure.h
index 9c90bbfb59..1e7ba2fcec 100644
--- a/libraries/DataFlash/LogStructure.h
+++ b/libraries/DataFlash/LogStructure.h
@@ -401,6 +401,9 @@ struct PACKED log_RngBcnDebug {
     int16_t beaconPosD;     // beacon down position (cm)
     int16_t offsetHigh;     // high estimate of vertical position offset of beacons rel to EKF origin (cm)
     int16_t offsetLow;      // low estimate of vertical position offset of beacons rel to EKF origin (cm)
+    int16_t posN;           // North position of receiver rel to EKF origin (cm)
+    int16_t posE;           // East position of receiver rel to EKF origin (cm)
+    int16_t posD;           // Down position of receiver rel to EKF origin (cm)
 };
 
 struct PACKED log_Cmd {
@@ -854,7 +857,7 @@ Format characters in the format string for binary log messages
     { LOG_NKF9_MSG, sizeof(log_NKF4), \
       "NKF9","QcccccfbbHBHHb","TimeUS,SV,SP,SH,SM,SVT,errRP,OFN,OFE,FS,TS,SS,GPS,PI" }, \
     { LOG_NKF10_MSG, sizeof(log_RngBcnDebug), \
-      "NKF0","QBccCCccccc","TimeUS,ID,rng,innov,SIV,TR,BPN,BPE,BPD,OFH,OFL" }, \
+      "NKF0","QBccCCcccccccc","TimeUS,ID,rng,innov,SIV,TR,BPN,BPE,BPD,OFH,OFL,OFN,OFE,OFD" }, \
     { LOG_XKF1_MSG, sizeof(log_EKF1), \
       "XKF1","QccCfffffffccc","TimeUS,Roll,Pitch,Yaw,VN,VE,VD,dPD,PN,PE,PD,GX,GY,GZ" }, \
     { LOG_XKF2_MSG, sizeof(log_NKF2a), \
@@ -874,7 +877,7 @@ Format characters in the format string for binary log messages
     { LOG_XKF9_MSG, sizeof(log_NKF4), \
       "XKF9","QcccccfbbHBHHb","TimeUS,SV,SP,SH,SM,SVT,errRP,OFN,OFE,FS,TS,SS,GPS,PI" }, \
     { LOG_XKF10_MSG, sizeof(log_RngBcnDebug), \
-      "XKF0","QBccCCccccc","TimeUS,ID,rng,innov,SIV,TR,BPN,BPE,BPD,OFH,OFL" }, \
+      "XKF0","QBccCCcccccccc","TimeUS,ID,rng,innov,SIV,TR,BPN,BPE,BPD,OFH,OFL,OFN,OFE,OFD" }, \
     { LOG_TERRAIN_MSG, sizeof(log_TERRAIN), \
       "TERR","QBLLHffHH","TimeUS,Status,Lat,Lng,Spacing,TerrH,CHeight,Pending,Loaded" }, \
     { LOG_GPS_UBX1_MSG, sizeof(log_Ubx1), \