diff --git a/mobile/com.sap.sailing.android.tracking.app/res/values-de/strings.xml b/mobile/com.sap.sailing.android.tracking.app/res/values-de/strings.xml
index cea64915ab4..b9d670384f3 100644
--- a/mobile/com.sap.sailing.android.tracking.app/res/values-de/strings.xml
+++ b/mobile/com.sap.sailing.android.tracking.app/res/values-de/strings.xml
@@ -18,5 +18,11 @@
     <string name="tracker_stopped">SAP Sailing Tracker gestoppt</string>
     <string name="scan_race_barcode">Scan Race Barcode</string>
     <string name="gps_fix_interval">GPS Fix Interval</string>
+    <string name="title_activity_regatta">Regatta</string>
+    <string name="title_activity_start">GPS Tracker gestartetp</string>
+    <string name="hello_world">Hello wörld!</string>
+    <string name="action_settings">Einstellungen</string>
+    <string name="please_confirm">Bitte bestätigen</string>
+    <string name="do_you_really_want_to_stop_tracking">Soll das Tracking wirklich beendet werden?</string>
 
 </resources>
\ No newline at end of file
diff --git a/mobile/com.sap.sailing.android.tracking.app/src/com/sap/sailing/android/tracking/app/provider/AnalyticsProvider.java b/mobile/com.sap.sailing.android.tracking.app/src/com/sap/sailing/android/tracking/app/provider/AnalyticsProvider.java
index f0dd4611a2d..fd7b95f918b 100644
--- a/mobile/com.sap.sailing.android.tracking.app/src/com/sap/sailing/android/tracking/app/provider/AnalyticsProvider.java
+++ b/mobile/com.sap.sailing.android.tracking.app/src/com/sap/sailing/android/tracking/app/provider/AnalyticsProvider.java
@@ -189,8 +189,21 @@ public class AnalyticsProvider extends ContentProvider {
                     + Arrays.toString(selectionArgs);
             ExLog.i(getContext(), TAG, message);
         }
+        
+        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
 
-        return 0;
+		switch (sUriMatcher.match(uri)) {
+
+		case SENSOR_GPS_ID:
+			String idStr = uri.getLastPathSegment();
+		    String where = SensorGps._ID + " = " + idStr;
+		    int numRowsDeleted = db.delete(Tables.SENSOR_GPS, where, selectionArgs);
+			notifyChange(uri);
+			return numRowsDeleted;
+
+		default:
+			throw new UnsupportedOperationException("Unknown uri: " + uri);
+		}		
     }
 
     @Override
diff --git a/mobile/com.sap.sailing.android.tracking.app/src/com/sap/sailing/android/tracking/app/services/TransmittingService.java b/mobile/com.sap.sailing.android.tracking.app/src/com/sap/sailing/android/tracking/app/services/TransmittingService.java
index 41665d7986d..74a03a72557 100644
--- a/mobile/com.sap.sailing.android.tracking.app/src/com/sap/sailing/android/tracking/app/services/TransmittingService.java
+++ b/mobile/com.sap.sailing.android.tracking.app/src/com/sap/sailing/android/tracking/app/services/TransmittingService.java
@@ -156,17 +156,30 @@ public class TransmittingService extends Service {
 		}
 	}
 	
-	private void markAsSynced(String[] fixIdStrings)
+	private void deleteSynced(String[] fixIdStrings)
 	{
 		for (String idStr: fixIdStrings)
 		{
 			ContentValues updateValues = new ContentValues();
 			updateValues.put(SensorGps.GPS_SYNCED, 1);
 			Uri uri = ContentUris.withAppendedId(SensorGps.CONTENT_URI, Long.parseLong(idStr));
-			getContentResolver().update(uri, updateValues, null, null);
+			getContentResolver().delete(uri, null, null);
 		}
 	}
 	
+//  might need this class in the future:  
+//
+//	private void markAsSynced(String[] fixIdStrings)
+//	{
+//		for (String idStr: fixIdStrings)
+//		{
+//			ContentValues updateValues = new ContentValues();
+//			updateValues.put(SensorGps.GPS_SYNCED, 1);
+//			Uri uri = ContentUris.withAppendedId(SensorGps.CONTENT_URI, Long.parseLong(idStr));
+//			getContentResolver().update(uri, updateValues, null, null);
+//		}
+//	}
+	
 	private List<GpsFix> getUnsentFixes()
 	{
 		String selectionClause = SensorGps.GPS_SYNCED + " = 0";
@@ -211,7 +224,8 @@ public class TransmittingService extends Service {
         	System.out.println("FixListener#onResponse: " + response);
         	System.out.println("ids: " + ids);
 
-			markAsSynced(ids);
+        	deleteSynced(ids);
+        	//markAsSynced(ids);
         }
     }