adsb: fix avr ground speed

ArduPilot · Feb 7, 2025 · 95f62a2 · 95f62a2
1 parent 4181c1c
commit 95f62a2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ExtLibs/Utilities/adsb.cs b/ExtLibs/Utilities/adsb.cs
@@ -863,7 +863,7 @@ public void ReadMessage(Stream st1)
                             PointLatLngAltHdg plla = new PointLatLngAltHdg(plane.plla());
                             plla.Heading = (float)plane.heading;
                             if (plane.CallSign != null) plla.CallSign = plane.CallSign;
-                            plla.Speed = (float)plane.ground_speed * KNOTS_TO_CMS;
+                            plla.Speed = (float)plane.ground_speed;
                             if (plla.Lat == 0 && plla.Lng == 0)
                                 continue;
                             if (UpdatePlanePosition != null && plla != null)
@@ -1241,7 +1241,7 @@ public static Plane ReadMessage(string avrline)
                         Console.WriteLine("vel " + ewvel + " " + nsvel + " " + cog + " gs " + _gs);
 
                         ((Plane)Planes[adsbmess.AA.ToString("X5")]).heading = (cog + 360) % 360;
-                        ((Plane)Planes[adsbmess.AA.ToString("X5")]).ground_speed = (int)(_gs * KNOTS_TO_CMS);
+                        ((Plane)Planes[adsbmess.AA.ToString("X5")]).ground_speed = (int)(_gs * (KNOTS_TO_CMS/100.0));
 
                         break;
                 }