// #include <simgear/math/interpolater.hxx>
#include <simgear/timing/timestamp.hxx>
-#include <Navaids/ilslist.hxx>
+// #include <Navaids/ilslist.hxx>
#include <Navaids/navlist.hxx>
// #include <Sound/beacon.hxx>
#include <Sound/morse.hxx>
double x;
double y;
double z;
+ double bias;
double dist;
double prev_dist;
double spd;