_bearing_node = node->getChild("indicated-bearing-deg", 0, true);
_ident_node = node->getChild("ident", 0, true);
_ident_audible_node = node->getChild("ident-audible", 0, true);
_bearing_node = node->getChild("indicated-bearing-deg", 0, true);
_ident_node = node->getChild("ident", 0, true);
_ident_audible_node = node->getChild("ident-audible", 0, true);