diff --git a/src/modules/sdlog2/sdlog2.c b/src/modules/sdlog2/sdlog2.c
index b5ee954472..982f843be6 100644
--- a/src/modules/sdlog2/sdlog2.c
+++ b/src/modules/sdlog2/sdlog2.c
@@ -2,7 +2,7 @@
  *
  *   Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved.
  *   Author: Lorenz Meier <lm@inf.ethz.ch>
- *           Anton Babushkin <anton.babushkin@me.com>
+ *           Anton Babushkin <rk3dov@gmail.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -40,7 +40,7 @@
  * does the heavy SD I/O in a low-priority worker thread.
  *
  * @author Lorenz Meier <lm@inf.ethz.ch>
- * @author Anton Babushkin <anton.babushkin@me.com>
+ * @author Anton Babushkin <rk3dov@gmail.com>
  */
 
 #include <nuttx/config.h>
@@ -1064,7 +1064,6 @@ int sdlog2_thread_main(int argc, char *argv[])
 				log_msg.body.log_GPOS.vel_n = buf.global_pos.vx;
 				log_msg.body.log_GPOS.vel_e = buf.global_pos.vy;
 				log_msg.body.log_GPOS.vel_d = buf.global_pos.vz;
-				log_msg.body.log_GPOS.hdg = buf.global_pos.hdg;
 				LOGBUFFER_WRITE_AND_COUNT(GPOS);
 			}
 
diff --git a/src/modules/sdlog2/sdlog2_messages.h b/src/modules/sdlog2/sdlog2_messages.h
index 17ec7993bf..1b2237d650 100644
--- a/src/modules/sdlog2/sdlog2_messages.h
+++ b/src/modules/sdlog2/sdlog2_messages.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  *
  *   Copyright (c) 2013 PX4 Development Team. All rights reserved.
- *   Author: Anton Babushkin <anton.babushkin@me.com>
+ *   Author: Anton Babushkin <rk3dov@gmail.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -37,7 +37,7 @@
  *
  * Log messages and structures definition.
  *
- * @author Anton Babushkin <anton.babushkin@me.com>
+ * @author Anton Babushkin <rk3dov@gmail.com>
  */
 
 #ifndef SDLOG2_MESSAGES_H_
@@ -199,8 +199,8 @@ struct log_FLOW_s {
 	uint8_t sensor_id;
 };
 
-/* --- GPOS - GLOBAL POSITION --- */
-#define LOG_GPOS_MSG 64
+/* --- GPOS - GLOBAL POSITION ESTIMATE --- */
+#define LOG_GPOS_MSG 16
 struct log_GPOS_s {
 	int32_t lat;
 	int32_t lon;
@@ -208,9 +208,7 @@ struct log_GPOS_s {
 	float vel_n;
 	float vel_e;
 	float vel_d;
-	float hdg;
 };
-
 #pragma pack(pop)
 
 /* construct list of all message formats */
@@ -231,7 +229,7 @@ static const struct log_format_s log_formats[] = {
 	LOG_FORMAT(AIRS, "ff", "IndSpeed,TrueSpeed"),
 	LOG_FORMAT(ARSP, "fff", "RollRateSP,PitchRateSP,YawRateSP"),
 	LOG_FORMAT(FLOW, "hhfffBB", "RawX,RawY,CompX,CompY,Dist,Q,SensID"),
-	LOG_FORMAT(GPOS, "LLfffff", "Lat,Lon,Alt,VelN,VelE,VelD,Heading"),
+	LOG_FORMAT(GPOS, "LLffff", "Lat,Lon,Alt,VelN,VelE,VelD"),
 };
 
 static const int log_formats_num = sizeof(log_formats) / sizeof(struct log_format_s);