alpha              89 core/gps.c         double alpha;   // radian
alpha             107 core/gps.c         p->alpha = arctan2 (r->east, r->north);
alpha             113 core/gps.c         r->east = sin(p->alpha) * p->delta;
alpha             114 core/gps.c         r->north= cos(p->alpha) * p->delta;
alpha             119 core/gps.c     radian2deg (double alpha) {
alpha             120 core/gps.c         return (int) (alpha * RHO + 360.5) % 360;
alpha             289 core/gps.c         direction = radian2deg  (pspeed.alpha);                                 // get direction
alpha             293 core/gps.c         peil    = radian2deg    (pdelta.alpha);                                 // Bearing to destination
alpha             294 core/gps.c         angle  = radian2deg     (pdelta.alpha-pspeed.alpha);                    // Angle relative to the direction of march