struct _LocationVelocity
{
guint timestamp; ///< Time stamp.
- guint updated_timestamp; ///< The latest updated time stamp.
gdouble speed; ///< The speed over ground. (km/h)
gdouble direction; ///< The course made in degrees relative to true north. The value is always in the range [0.0, 360.0] degree.
gdouble climb; ///< The vertical speed. (km/h)