_tiedProperties.Tie("hour", &_hour );
_tiedProperties.Tie("minute", &_minute );
_tiedProperties.Tie("decoded", this, &MetarProperties::get_decoded );
_tiedProperties.Tie("hour", &_hour );
_tiedProperties.Tie("minute", &_minute );
_tiedProperties.Tie("decoded", this, &MetarProperties::get_decoded );