diff --git a/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java b/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
index 0470e21..a63d94f 100644
--- a/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
+++ b/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
@@ -62,12 +62,16 @@
     private CharSequence mDrawerTitle;
     private static final int GPS_MIN_TIME = 5000;
     private static final int GPS_MIN_DIST = 5;
+    private static final int MIN_WEATHER_RELOAD_TIME = 3600000;
+    private static final int MIN_POI_RELOAD_TIME = 300000;
+    private static int MAX_POIS_AROUND = 20;
+    private static int MAX_DAYS_FORECAST = 3;
+    public static final int MAX_WIFI_LEVELS = 5;
     private static ConnectivityManager cm;
     private static TelephonyManager tm;
     private static WifiManager wm;
     private static NetworkInfo activeNetwork;
     private static int networkStrength;
-    public static final int MAX_WIFI_LEVELS = 5;
 
     public static SimpleDateFormat df_hm;
     public static SimpleDateFormat df_full;
@@ -81,6 +85,9 @@
     private PoiHandler poiHandler;
     private WeatherHandler weatherHandler;
 
+    private long lastWeatherInformation;
+    private long lastPoiInformation;
+
     private static MapView mapView;
     private IMapController mapController;
     public static int ZOOM_LEVEL;
@@ -131,6 +138,7 @@
         poiHandler = new PoiHandler(this, res, mapView);
         weatherHandler = new WeatherHandler(this);
 
+        lastWeatherInformation = lastPoiInformation = 0;
 
         foundLocations = new ArrayList<>();
 
@@ -432,15 +440,19 @@
         mLocation = location;
         if(mLocation == null) return;
         foundLocations.add(location);
-        //poiHandler.updatePois();
-        List<Poi> test = poiHandler.getPoisAround(location.getLatitude(), location.getLongitude(), 20);
-        Log.d(TAG, "Get POIs around: " + location.toString());
-        int i=1;
-        for(Poi p : test) {
-            Log.d(TAG, "POI #" + (i++) + ": " + p.toString());
-        }
 
-        weatherHandler.getForecast(location.getLatitude(), location.getLongitude(), 2);
+        long currentTime = System.currentTimeMillis();
+        if(currentTime - lastWeatherInformation >= MIN_WEATHER_RELOAD_TIME) { //1 hour
+            lastWeatherInformation = currentTime;
+            weatherHandler.getForecast(location.getLatitude(), location.getLongitude(), MAX_DAYS_FORECAST);
+        }
+        if(currentTime - lastPoiInformation >= MIN_POI_RELOAD_TIME) { //5 minutes
+            lastPoiInformation = currentTime;
+            ArrayList<Poi> pois = new ArrayList<>(poiHandler.getPoisAround(location.getLatitude(), location.getLongitude(), MAX_POIS_AROUND));
+            for(Poi p : pois) {
+                p.display();
+            }
+        }
 
         double lat = location.getLatitude();
         double lon = location.getLongitude();
diff --git a/app/src/main/java/de/apps4ics/mountainnavigation/pois/Poi.java b/app/src/main/java/de/apps4ics/mountainnavigation/pois/Poi.java
index 3922804..24c8674 100644
--- a/app/src/main/java/de/apps4ics/mountainnavigation/pois/Poi.java
+++ b/app/src/main/java/de/apps4ics/mountainnavigation/pois/Poi.java
@@ -73,6 +73,10 @@
         }
     }
 
+    public void display() {
+        //TODO display POI on map
+    }
+
     public long getId(){
         return _id;
     }