diff --git a/openrtx/src/gps.c b/openrtx/src/gps.c
index 6714468d..a868b938 100644
--- a/openrtx/src/gps.c
+++ b/openrtx/src/gps.c
@@ -24,6 +24,8 @@
 #include <state.h>
 #include <strings.h>
 
+#define KNOTS2KMH 1.852f
+
 /**
  * This function parses a GPS NMEA sentence and updates radio state
  */
@@ -47,6 +49,8 @@ void gps_taskFunc(char *line, __attribute__((unused)) int len, state_t *state)
             // Synchronize RTC with GPS UTC clock
             if(state->settings.gps_set_time)
                 rtc_setTime(state->gps_data.timestamp);
+            state->gps_data.tmg_true = minmea_tofloat(&frame.course);
+            state->gps_data.speed = minmea_tofloat(&frame.speed) * KNOTS2KMH;
         } break;
 
         case MINMEA_SENTENCE_GGA: