add IAS and TAS display

htdocs/lib/PlaneMarker.js

@@ -6,8 +6,9 @@ PlaneMarker.prototype.draw = function() {
     var svg = this.svg;
     if (!svg) return;
 
-    if (this.groundtrack) {
+    var angle = this.groundtrack || this.heading;
-        svg.style.transform = 'rotate(' + (this.groundtrack) + 'deg)';
+    if (angle) {
+        svg.style.transform = 'rotate(' + angle + 'deg)';
     } else {
         svg.style.transform = null;
     }

htdocs/map.js

@@ -471,6 +471,12 @@ $(function(){
             if ('verticalspeed' in marker) {
                 commentString += '<div>V/S: ' + marker.verticalspeed + ' ft/min</div>';
             }
+            if ('IAS' in marker) {
+                commentString += '<div>IAS: ' + marker.IAS + ' kt</div>';
+            }
+            if ('TAS' in marker) {
+                commentString += '<div>TAS: ' + marker.TAS + ' kt</div>/';
+            }
         } else {
             linkifySource(source);
         }

owrx/adsb/modes.py

@@ -27,6 +27,9 @@ class AirplaneLocation(IncrementalUpdate, TTLUpdate, LatLngLocation):
         "groundspeed",
         "verticalspeed",
         "identification",
+        "TAS",
+        "IAS",
+        "heading",
     ]
     ttl = 30