diff --git a/js/tracker.js b/js/tracker.js
index 386c357..418f136 100644
--- a/js/tracker.js
+++ b/js/tracker.js
@@ -638,7 +638,7 @@ function showLaunchSites() {
                     sondes = sondes.replace(new RegExp("\\b77\\b"), "M10 (possible to track)");
                     sondes = sondes.replace(new RegExp("\\b82\\b"), "LMS6-1680 (possible to track)");
                     sondes = sondes.replace(new RegExp("\\b84\\b"), "iMet-54 (possible to track)");
-                    var marker = new L.circleMarker(latlon, {color: 'black', radius: 8});
+                    var marker = new L.circleMarker(latlon, {color: '#696969', fillColor: "white", radius: 8});
                     var popup = new L.popup({ autoClose: false, closeOnClick: false }).setContent("<font style='font-size: 13px'>" + json[key].station_name + "</font><br><br><b>Sondes launched:</b> " + sondes);
                     marker.bindPopup(popup);
                     launches.addLayer(marker);
@@ -3344,7 +3344,7 @@ function updateReceiverMarker(receiver) {
         };
     } else {
         receiver.marker = new L.CircleMarker(latlng, {
-            radius: 8,
+            radius: 6,
             fillOpacity: 0.6,
             color: "#008000",
         });