diff --git a/public_html/markers.js b/public_html/markers.js
index 3b79c1b..e9207fa 100755
--- a/public_html/markers.js
+++ b/public_html/markers.js
@@ -50,19 +50,19 @@ var shapes = {
                 size: [19,16]
         },
         'ground_emergency': {
-                svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 15" add_stroke_selected><defs><style>.cls-1{fill:#5a5a5a;}.cls-2{fill:#fff;}</style></defs><title>emergency_dark</title><g id="Layer_2" data-name="Layer 2"><g id="Emergency"><path class="cls-1" d="M1.77,0a3.32,3.32,0,0,0-.63.07L1,.11.86.16h0L.7.23.59.3l0,0L.49.38l0,.06a.15.15,0,0,0,0,0h0v0h0V.9l0,0,0,0h0l0,.07V4c0,.13.06.16.1.23v.3H.09c0,1.32,0,3.38,0,4.8l0,.44C.07,9.82,0,9.88,0,10v2.82c0,.09-.05.14.07.18v1.9a50.76,50.76,0,0,0,5.78,0V13.06C6,13,6,12.93,6,12.84V10c0-.15-.05-.2-.11-.22V9.37c0-1.41,0-3.51,0-4.8H5.55v-.3c0-.08.11-.1.09-.23v-3L5.6,1h0l0,0,0,0V.51h0v0h0a.15.15,0,0,0,0,0,.16.16,0,0,0,0-.06L5.41.32l0,0L5.26.23,5.12.17h0L5,.11l-.16,0A3.45,3.45,0,0,0,4,0H1.77Z"/><path class="cls-2" d="M.77,2.77A4.31,4.31,0,0,1,3,2.33a4.31,4.31,0,0,1,2.26.44l-.38.92A7.51,7.51,0,0,0,3,3.41a7.9,7.9,0,0,0-1.91.27Z"/><path class="cls-2" d="M4.35,8.27a1.05,1.05,0,0,1-.59.93A3.5,3.5,0,0,0,2.62,6.63a1.71,1.71,0,0,1-.56,1.26l-.41.38a1.71,1.71,0,0,0-.56,1.26A1.79,1.79,0,0,0,2.4,11.21H3.6A1.79,1.79,0,0,0,4.92,9.52,1.71,1.71,0,0,0,4.35,8.27Z"/></g></g></svg>',
+                svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 15" width="6px" height="15px" add_stroke_selected><defs><style>.cls-1{fill:#5a5a5a;}.cls-2{fill:#fff;}</style></defs><title>emergency_dark</title><g id="Layer_2" data-name="Layer 2"><g id="Emergency"><path class="cls-1" d="M1.77,0a3.32,3.32,0,0,0-.63.07L1,.11.86.16h0L.7.23.59.3l0,0L.49.38l0,.06a.15.15,0,0,0,0,0h0v0h0V.9l0,0,0,0h0l0,.07V4c0,.13.06.16.1.23v.3H.09c0,1.32,0,3.38,0,4.8l0,.44C.07,9.82,0,9.88,0,10v2.82c0,.09-.05.14.07.18v1.9a50.76,50.76,0,0,0,5.78,0V13.06C6,13,6,12.93,6,12.84V10c0-.15-.05-.2-.11-.22V9.37c0-1.41,0-3.51,0-4.8H5.55v-.3c0-.08.11-.1.09-.23v-3L5.6,1h0l0,0,0,0V.51h0v0h0a.15.15,0,0,0,0,0,.16.16,0,0,0,0-.06L5.41.32l0,0L5.26.23,5.12.17h0L5,.11l-.16,0A3.45,3.45,0,0,0,4,0H1.77Z"/><path class="cls-2" d="M.77,2.77A4.31,4.31,0,0,1,3,2.33a4.31,4.31,0,0,1,2.26.44l-.38.92A7.51,7.51,0,0,0,3,3.41a7.9,7.9,0,0,0-1.91.27Z"/><path class="cls-2" d="M4.35,8.27a1.05,1.05,0,0,1-.59.93A3.5,3.5,0,0,0,2.62,6.63a1.71,1.71,0,0,1-.56,1.26l-.41.38a1.71,1.71,0,0,0-.56,1.26A1.79,1.79,0,0,0,2.4,11.21H3.6A1.79,1.79,0,0,0,4.92,9.52,1.71,1.71,0,0,0,4.35,8.27Z"/></g></g></svg>',
                 size: [6, 15]
         },
         'ground_service': {
-                svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 15" add_stroke_selected><defs><style>.cls-1{fill:#5a5a5a;}.cls-2{fill:#fff;}</style></defs><title>service_dark</title><g id="Layer_2" data-name="Layer 2"><g id="Service"><path class="cls-1" d="M1.77,0a3.32,3.32,0,0,0-.63.07L1,.11.86.16h0L.7.23.59.3l0,0L.49.38l0,.06a.15.15,0,0,0,0,0h0v0h0V.9l0,0,0,0h0l0,.07V4c0,.13.06.16.1.23v.3H.09c0,1.32,0,3.38,0,4.8l0,.44C.07,9.82,0,9.88,0,10v2.82c0,.09-.05.14.07.18v1.9a50.76,50.76,0,0,0,5.78,0V13.06C6,13,6,12.93,6,12.84V10c0-.15-.05-.2-.11-.22V9.37c0-1.41,0-3.51,0-4.8H5.55v-.3c0-.08.11-.1.09-.23v-3L5.6,1h0l0,0,0,0V.51h0v0h0a.15.15,0,0,0,0,0,.16.16,0,0,0,0-.06L5.41.32l0,0L5.26.23,5.12.17h0L5,.11l-.16,0A3.45,3.45,0,0,0,4,0H1.77Z"/><path class="cls-2" d="M.77,2.77A4.31,4.31,0,0,1,3,2.33a4.31,4.31,0,0,1,2.26.44l-.38.92A7.51,7.51,0,0,0,3,3.41a7.9,7.9,0,0,0-1.91.27Z"/><path class="cls-2" d="M4.85,8a1.67,1.67,0,0,0-.65-1.3A.12.12,0,0,0,4,6.74v.95a.12.12,0,0,1,0,.09l-.9.65a.12.12,0,0,1-.13,0L2,7.77a.12.12,0,0,1,0-.09V6.73a.11.11,0,0,0-.18-.08A1.72,1.72,0,0,0,1.15,8,1.66,1.66,0,0,0,2,9.4a.19.19,0,0,1,.1.17l0,1.54a.1.1,0,0,0,.11.1H3.78c.07,0,.12,0,.11-.1V9.57A.22.22,0,0,1,4,9.4,1.7,1.7,0,0,0,4.85,8Z"/></g></g></svg>',
+                svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 15" width="6px" height="15px" add_stroke_selected><defs><style>.cls-1{fill:#5a5a5a;}.cls-2{fill:#fff;}</style></defs><title>service_dark</title><g id="Layer_2" data-name="Layer 2"><g id="Service"><path class="cls-1" d="M1.77,0a3.32,3.32,0,0,0-.63.07L1,.11.86.16h0L.7.23.59.3l0,0L.49.38l0,.06a.15.15,0,0,0,0,0h0v0h0V.9l0,0,0,0h0l0,.07V4c0,.13.06.16.1.23v.3H.09c0,1.32,0,3.38,0,4.8l0,.44C.07,9.82,0,9.88,0,10v2.82c0,.09-.05.14.07.18v1.9a50.76,50.76,0,0,0,5.78,0V13.06C6,13,6,12.93,6,12.84V10c0-.15-.05-.2-.11-.22V9.37c0-1.41,0-3.51,0-4.8H5.55v-.3c0-.08.11-.1.09-.23v-3L5.6,1h0l0,0,0,0V.51h0v0h0a.15.15,0,0,0,0,0,.16.16,0,0,0,0-.06L5.41.32l0,0L5.26.23,5.12.17h0L5,.11l-.16,0A3.45,3.45,0,0,0,4,0H1.77Z"/><path class="cls-2" d="M.77,2.77A4.31,4.31,0,0,1,3,2.33a4.31,4.31,0,0,1,2.26.44l-.38.92A7.51,7.51,0,0,0,3,3.41a7.9,7.9,0,0,0-1.91.27Z"/><path class="cls-2" d="M4.85,8a1.67,1.67,0,0,0-.65-1.3A.12.12,0,0,0,4,6.74v.95a.12.12,0,0,1,0,.09l-.9.65a.12.12,0,0,1-.13,0L2,7.77a.12.12,0,0,1,0-.09V6.73a.11.11,0,0,0-.18-.08A1.72,1.72,0,0,0,1.15,8,1.66,1.66,0,0,0,2,9.4a.19.19,0,0,1,.1.17l0,1.54a.1.1,0,0,0,.11.1H3.78c.07,0,.12,0,.11-.1V9.57A.22.22,0,0,1,4,9.4,1.7,1.7,0,0,0,4.85,8Z"/></g></g></svg>',
                 size: [6, 15]
         },
         'ground_unknown': {
-                svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 15" add_stroke_selected><defs><style>.cls-1{fill:#5a5a5a;}.cls-2{fill:#fff;}</style></defs><title>unknown_dark</title><g id="Layer_2" data-name="Layer 2"><g id="Unknown"><path class="cls-1" d="M1.77,0a3.32,3.32,0,0,0-.63.07L1,.11.86.16h0L.7.23.59.3l0,0L.49.38l0,.06a.15.15,0,0,0,0,0h0v0h0V.9l0,0,0,0h0l0,.07V4c0,.13.06.16.1.23v.3H.09c0,1.32,0,3.38,0,4.8l0,.44C.07,9.82,0,9.88,0,10v2.82c0,.09-.05.14.07.18v1.9a50.76,50.76,0,0,0,5.78,0V13.06C6,13,6,12.93,6,12.84V10c0-.15-.05-.2-.11-.22V9.37c0-1.41,0-3.51,0-4.8H5.55v-.3c0-.08.11-.1.09-.23v-3L5.6,1h0l0,0,0,0V.51h0v0h0a.15.15,0,0,0,0,0,.16.16,0,0,0,0-.06L5.41.32l0,0L5.26.23,5.12.17h0L5,.11l-.16,0A3.45,3.45,0,0,0,4,0H1.77Z"/><path class="cls-2" d="M.77,2.77A4.31,4.31,0,0,1,3,2.33a4.31,4.31,0,0,1,2.26.44l-.38.92A7.51,7.51,0,0,0,3,3.41a7.9,7.9,0,0,0-1.91.27Z"/><path class="cls-2" d="M4.31,7.51A1.1,1.1,0,0,0,4,7.12a1.55,1.55,0,0,0-.5-.3,2.18,2.18,0,0,0-.77-.12,1.81,1.81,0,0,0-.65.11,1.48,1.48,0,0,0-.5.32,1.43,1.43,0,0,0-.32.48,1.62,1.62,0,0,0-.12.6v.12H2.31V8.2a1,1,0,0,1,0-.25.54.54,0,0,1,.09-.19.42.42,0,0,1,.15-.12.49.49,0,0,1,.22,0,.41.41,0,0,1,.29.09.39.39,0,0,1,.1.3.33.33,0,0,1,0,.19A.65.65,0,0,1,3,8.33l-.22.16a1.61,1.61,0,0,0-.25.22A1.28,1.28,0,0,0,2.33,9a1.2,1.2,0,0,0-.11.45v.37H3.29V9.52a.44.44,0,0,1,.09-.22,1,1,0,0,1,.19-.18l.25-.17a1.35,1.35,0,0,0,.27-.23,1.19,1.19,0,0,0,.21-.33,1.23,1.23,0,0,0,.09-.49A1.06,1.06,0,0,0,4.31,7.51Z"/><rect class="cls-2" x="2.18" y="10.26" width="1.12" height="1.02"/></g></g></svg>',
+                svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 15" width="6px" height="15px" add_stroke_selected><defs><style>.cls-1{fill:#5a5a5a;}.cls-2{fill:#fff;}</style></defs><title>unknown_dark</title><g id="Layer_2" data-name="Layer 2"><g id="Unknown"><path class="cls-1" d="M1.77,0a3.32,3.32,0,0,0-.63.07L1,.11.86.16h0L.7.23.59.3l0,0L.49.38l0,.06a.15.15,0,0,0,0,0h0v0h0V.9l0,0,0,0h0l0,.07V4c0,.13.06.16.1.23v.3H.09c0,1.32,0,3.38,0,4.8l0,.44C.07,9.82,0,9.88,0,10v2.82c0,.09-.05.14.07.18v1.9a50.76,50.76,0,0,0,5.78,0V13.06C6,13,6,12.93,6,12.84V10c0-.15-.05-.2-.11-.22V9.37c0-1.41,0-3.51,0-4.8H5.55v-.3c0-.08.11-.1.09-.23v-3L5.6,1h0l0,0,0,0V.51h0v0h0a.15.15,0,0,0,0,0,.16.16,0,0,0,0-.06L5.41.32l0,0L5.26.23,5.12.17h0L5,.11l-.16,0A3.45,3.45,0,0,0,4,0H1.77Z"/><path class="cls-2" d="M.77,2.77A4.31,4.31,0,0,1,3,2.33a4.31,4.31,0,0,1,2.26.44l-.38.92A7.51,7.51,0,0,0,3,3.41a7.9,7.9,0,0,0-1.91.27Z"/><path class="cls-2" d="M4.31,7.51A1.1,1.1,0,0,0,4,7.12a1.55,1.55,0,0,0-.5-.3,2.18,2.18,0,0,0-.77-.12,1.81,1.81,0,0,0-.65.11,1.48,1.48,0,0,0-.5.32,1.43,1.43,0,0,0-.32.48,1.62,1.62,0,0,0-.12.6v.12H2.31V8.2a1,1,0,0,1,0-.25.54.54,0,0,1,.09-.19.42.42,0,0,1,.15-.12.49.49,0,0,1,.22,0,.41.41,0,0,1,.29.09.39.39,0,0,1,.1.3.33.33,0,0,1,0,.19A.65.65,0,0,1,3,8.33l-.22.16a1.61,1.61,0,0,0-.25.22A1.28,1.28,0,0,0,2.33,9a1.2,1.2,0,0,0-.11.45v.37H3.29V9.52a.44.44,0,0,1,.09-.22,1,1,0,0,1,.19-.18l.25-.17a1.35,1.35,0,0,0,.27-.23,1.19,1.19,0,0,0,.21-.33,1.23,1.23,0,0,0,.09-.49A1.06,1.06,0,0,0,4.31,7.51Z"/><rect class="cls-2" x="2.18" y="10.26" width="1.12" height="1.02"/></g></g></svg>',
                 size: [6, 15]
         },
         'ground_fixed': {
-                svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 12" add_stroke_selected><defs><style>.cls-1{fill:#5a5a5a;}.cls-2{fill:#fff;}</style></defs><title>fixed_dark</title><g id="Layer_2" data-name="Layer 2"><g id="Fixed"><polygon class="cls-1" points="0 0 0 0.43 0 12 12 12 12 0 0 0"/><path class="cls-2" d="M3.24,2.73,1.36.86h9.29L8.77,2.73A4.29,4.29,0,0,0,3.24,2.73Z"/><circle class="cls-2" cx="6" cy="6" r="3.58" transform="translate(-2.49 6) rotate(-45)"/><path class="cls-2" d="M2.73,3.23a4.29,4.29,0,0,0,0,5.54L.86,10.62V1.37Z"/><path class="cls-2" d="M3.24,9.28a4.29,4.29,0,0,0,5.54,0l1.87,1.87H1.35Z"/><path class="cls-2" d="M9.28,8.77a4.29,4.29,0,0,0,0-5.54l1.86-1.86v9.26Z"/><circle class="cls-1" cx="6" cy="6" r="2" transform="translate(-2.49 6) rotate(-45)"/></g></g></svg>',
+                svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 12" width="12px" height="12px" add_stroke_selected><defs><style>.cls-1{fill:#5a5a5a;}.cls-2{fill:#fff;}</style></defs><title>fixed_dark</title><g id="Layer_2" data-name="Layer 2"><g id="Fixed"><polygon class="cls-1" points="0 0 0 0.43 0 12 12 12 12 0 0 0"/><path class="cls-2" d="M3.24,2.73,1.36.86h9.29L8.77,2.73A4.29,4.29,0,0,0,3.24,2.73Z"/><circle class="cls-2" cx="6" cy="6" r="3.58" transform="translate(-2.49 6) rotate(-45)"/><path class="cls-2" d="M2.73,3.23a4.29,4.29,0,0,0,0,5.54L.86,10.62V1.37Z"/><path class="cls-2" d="M3.24,9.28a4.29,4.29,0,0,0,5.54,0l1.87,1.87H1.35Z"/><path class="cls-2" d="M9.28,8.77a4.29,4.29,0,0,0,0-5.54l1.86-1.86v9.26Z"/><circle class="cls-1" cx="6" cy="6" r="2" transform="translate(-2.49 6) rotate(-45)"/></g></g></svg>',
                 size: [12, 12]
         },
         'unknown': {
diff --git a/public_html/planeObject.js b/public_html/planeObject.js
index 6e81ffd..39e3c4d 100644
--- a/public_html/planeObject.js
+++ b/public_html/planeObject.js
@@ -337,7 +337,7 @@ PlaneObject.prototype.getAltitudeColor = function(altitude) {
                 h = ColorByAlt.unknown.h;
                 s = ColorByAlt.unknown.s;
                 l = ColorByAlt.unknown.l;
-        } else if (this.altitude === "ground") {
+        } else if (altitude === "ground") {
                 h = ColorByAlt.ground.h;
                 s = ColorByAlt.ground.s;
                 l = ColorByAlt.ground.l;