/// <summary>
/// Generates an object from its XML representation.
/// </summary>
/// <param name="reader">The <see cref="T:System.Xml.XmlReader"/> stream from which the object is deserialized.</param>
public void ReadXml(XmlReader reader)
{
// Move to the <Speed> element
if (!reader.IsStartElement("Speed"))
{
reader.ReadToDescendant("Speed");
}
_speed.ReadXml(reader);
_bearing.ReadXml(reader);
reader.Read();
}