e:""+centroid.lat()+", "+centroid.lng()+""
      });
      */
      var trilat = new google.maps.LatLng({{trilat[0]}}, {{trilat[1]}});
      bounds.extend(trilat);
      new google.maps.Marker({
        position: trilat,
        map: map,
        label:'Trilateration',
        title:""+trilat.lat()+", "+trilat.lng()+""
      });

      var point;
      var points = [];
      var opacity = 0.2
      {% for t in similar_towers %}
        // Don't display towers which have no GPS data attached
        if ({{t.