+ SGPropertyNode_ptr _wp0_distance_node;
+ SGPropertyNode_ptr _wp0_ttw_node;
+ SGPropertyNode_ptr _wp0_bearing_node;
+ SGPropertyNode_ptr _wp0_mag_bearing_node;
+ SGPropertyNode_ptr _wp0_course_deviation_node;
+ SGPropertyNode_ptr _wp0_course_error_nm_node;
+ SGPropertyNode_ptr _wp0_to_flag_node;
+ SGPropertyNode_ptr _wp1_distance_node;
+ SGPropertyNode_ptr _wp1_ttw_node;
+ SGPropertyNode_ptr _wp1_bearing_node;
+ SGPropertyNode_ptr _wp1_mag_bearing_node;
+ SGPropertyNode_ptr _wp1_course_deviation_node;
+ SGPropertyNode_ptr _wp1_course_error_nm_node;
+ SGPropertyNode_ptr _wp1_to_flag_node;
+ SGPropertyNode_ptr _odometer_node;
+ SGPropertyNode_ptr _trip_odometer_node;
+ SGPropertyNode_ptr _true_bug_error_node;
+ SGPropertyNode_ptr _magnetic_bug_error_node;
+ SGPropertyNode_ptr _true_wp0_bearing_error_node;
+ SGPropertyNode_ptr _magnetic_wp0_bearing_error_node;
+ SGPropertyNode_ptr _true_wp1_bearing_error_node;
+ SGPropertyNode_ptr _magnetic_wp1_bearing_error_node;
+ SGPropertyNode_ptr _leg_distance_node;
+ SGPropertyNode_ptr _leg_course_node;
+ SGPropertyNode_ptr _leg_magnetic_course_node;
+ SGPropertyNode_ptr _alt_dist_ratio_node;
+ SGPropertyNode_ptr _leg_course_deviation_node;
+ SGPropertyNode_ptr _leg_course_error_nm_node;
+ SGPropertyNode_ptr _leg_to_flag_node;
+ SGPropertyNode_ptr _alt_deviation_node;