anchor.diff:              UpdateDate = proplists:get_value(<<"updateDate">>, BusLocation),
               PlateNo    = proplists:get_value(<<"plateNo">>, BusLocation),
   
  -            lager:info("~ts, ~p, ~s", [PlateNo, StationSeq, UpdateDate]),
  +            %lager:info("~ts, ~p, ~s", [PlateNo, StationSeq, UpdateDate]),
   
               {OldListUpdated, NewData} =
                   case lists:keytake(PlateNo, 1, OldList) of
  
positive.code:     lager:info("obsoletes: ~p", [Obsoletes]),
      lager:info("new: ~p", [NewBusLocationList]),
  
      erlang:send_after(?INTERVAL, self(), check),
      {noreply, State#state{ bus_location_list=NewBusLocationList} };
  handle_info(_Info, State) ->
  
negative.code:           bus_location_list=[]
           }).
  
  -define(FIRST_INTERVAL, 1000). % TODO: random interval
  %-define(INTERVAL, 30000). % 30 * 1000
  -define(INTERVAL, 60000). % 1 * 60 * 1000
  -define(URL, "http://api.pubtrans.map.naver.com/2.1/live/getBusLocation.jsonp?caller=pc_map&routeId=").
  %-define(URL, "http://localhost").
  
  