GPS::GPS ( SGPropertyNode *node) :
_selectedCourse(0.0),
+ _desiredCourse(0.0),
_dataValid(false),
_lastPosValid(false),
_mode("init"),
_name(node->getStringValue("name", "gps")),
_num(node->getIntValue("number", 0)),
+ _searchResultsCached(false),
_computeTurnData(false),
_anticipateTurn(false),
_inTurn(false)