double r = SGGeodesy::courseDeg(_waypt->position(), _rnav->position());
SG_LOG(SG_AUTOPILOT, SG_INFO, "current radial=" << r);
if (fabs(r - _trueRadial) < 0.5) {
double r = SGGeodesy::courseDeg(_waypt->position(), _rnav->position());
SG_LOG(SG_AUTOPILOT, SG_INFO, "current radial=" << r);
if (fabs(r - _trueRadial) < 0.5) {