private void GetAllTowersAroundPoint()
        {
            var client = new ServiceLayerClient();
            var task   = client.GetNearByTowersByLatLonAsync(Longitude, Latitude);
            var obs    = task.ToObservable();

            obs.Subscribe((x) => AddNearTowers(x == null ? new List <AssetsViewDTO>() : x.ToList()));
        }