diff --git a/api/map/event/ellipsoid.js b/api/map/event/ellipsoid.js
index f31a7ee..3d27480 100644
--- a/api/map/event/ellipsoid.js
+++ b/api/map/event/ellipsoid.js
@@ -11,11 +11,20 @@ function event_ellipsoid() {
     return response.json();
   })
   .then(data => {
+    if (Object.keys(data["ellipsoids"]).length !== 0) {
+      console.log('remove');
+      removeEntitiesByType("ellipsoids");
+    }
+    else {
+      removeEntitiesOlderThanAndFade("ellipsoids", 30, 0.2);
+      console.log('fade');
+    }
     for (const key in data["ellipsoids"]) {
       if (data["ellipsoids"].hasOwnProperty(key)) {
         const points = data["ellipsoids"][key];
 
-        removeEntitiesOlderThanAndFade("ellipsoids", 30, 0.2);
+        console.log(key);
+        console.log(points);
 
         for (const point in points) {
           addPoint(
@@ -39,13 +48,13 @@ function event_ellipsoid() {
   })
   .finally(() => {
     // Schedule the next fetch after a delay (e.g., 5 seconds)
-    setTimeout(event_radar, 1000);
+    setTimeout(event_ellipsoid, 1000);
   });
 
 }
 
 var style_ellipsoid = {};
-style_ellipsoid.color = 'rgba(0, 0, 255, 0.2)';
+style_ellipsoid.color = 'rgba(0, 0, 255, 0.5)';
 style_ellipsoid.pointSize = 16;
 style_ellipsoid.type = "ellipsoids";
 style_ellipsoid.timestamp = Date.now();
\ No newline at end of file
diff --git a/event/algorithm/coordreg/EllipsoidParametric.py b/event/algorithm/coordreg/EllipsoidParametric.py
index aef4281..2fe0052 100644
--- a/event/algorithm/coordreg/EllipsoidParametric.py
+++ b/event/algorithm/coordreg/EllipsoidParametric.py
@@ -75,13 +75,13 @@ class EllipsoidParametric:
                     radar["radar"]
                   )
 
-                samples = self.sample(ellipsoid, radar["delay"], 20)
+                samples = self.sample(ellipsoid, radar["delay"]*1000, 20)
                 target_samples[target][radar["radar"]] = samples
 
             # find close points
             radar_keys = list(target_samples[target].keys())
             samples_intersect = {key: [] for key in radar_keys}
-            threshold = 1500
+            threshold = 200
             for i in range(0, len(target_samples[target])-1):
 
                 for j in range(i+1, len(target_samples[target])):
diff --git a/event/event.py b/event/event.py
index 8af3ec5..85fbd99 100644
--- a/event/event.py
+++ b/event/event.py
@@ -108,46 +108,39 @@ async def event():
       if associated_dets:
         print(associated_dets, flush=True)
 
-      if localised_dets:
-        print(localised_dets, flush=True)
-
+      # show ellipsoids of associated detections for 1 target
       ellipsoids = {}
-      for radar in radar_dict.keys():
+      if associated_dets:
+        # get first target key
+        key = next(iter(associated_dets))
+        ellipsoid_radars = []
+        for radar in associated_dets[key]:
+          ellipsoid_radars.append(radar["radar"])
           x_tx, y_tx, z_tx = Geometry.lla2ecef(
-            radar_dict_item[radar]["config"]['location']['tx']['latitude'],
-            radar_dict_item[radar]["config"]['location']['tx']['longitude'],
-            radar_dict_item[radar]["config"]['location']['tx']['altitude']
+            radar_dict_item[radar["radar"]]["config"]['location']['tx']['latitude'],
+            radar_dict_item[radar["radar"]]["config"]['location']['tx']['longitude'],
+            radar_dict_item[radar["radar"]]["config"]['location']['tx']['altitude']
           )
           x_rx, y_rx, z_rx = Geometry.lla2ecef(
-            radar_dict_item[radar]["config"]['location']['rx']['latitude'],
-            radar_dict_item[radar]["config"]['location']['rx']['longitude'],
-            radar_dict_item[radar]["config"]['location']['rx']['altitude']
+            radar_dict_item[radar["radar"]]["config"]['location']['rx']['latitude'],
+            radar_dict_item[radar["radar"]]["config"]['location']['rx']['longitude'],
+            radar_dict_item[radar["radar"]]["config"]['location']['rx']['altitude']
           )
           ellipsoid = Ellipsoid(
             [x_tx, y_tx, z_tx],
             [x_rx, y_rx, z_rx],
-            radar
+            radar["radar"]
           )
-          bsr = 0
-          if radar == 'radar4.30hours.dev':
-            bsr = 12470
-          if radar == 'radar5.30hours.dev':
-            bsr = 1870
-          if radar == 'radar6.30hours.dev':
-            bsr = 5210
-          points = ellipsoidParametric.sample(ellipsoid, bsr, 50)
+          points = ellipsoidParametric.sample(ellipsoid, radar["delay"]*1000, 50)
           for i in range(len(points)):
             lat, lon, alt = Geometry.ecef2lla(points[i][0], points[i][1], points[i][2])
             points[i] = ([round(lat, 3), round(lon, 3), round(alt)])
-          ellipsoids[radar] = points
-
+          ellipsoids[radar["radar"]] = points
 
       # output data to API
       item["detections_associated"] = associated_dets
       item["detections_localised"] = localised_dets
-      
-      if ellipsoids:
-        item["ellipsoids"] = ellipsoids
+      item["ellipsoids"] = ellipsoids
 
     # delete old API requests
     api_event = [