diff --git a/CampusAppWP8/CampusAppWP8/Api/GeoApi/CampusSpsApi.cs b/CampusAppWP8/CampusAppWP8/Api/GeoApi/CampusSpsApi.cs
new file mode 100644
index 00000000..06311c97
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Api/GeoApi/CampusSpsApi.cs
@@ -0,0 +1,75 @@
+//-----------------------------------------------------------------------
+// <copyright file="CampusSpsApi.cs" company="BTU/IIT">
+//     Company copyright tag.
+// </copyright>
+// <author>stubbfel</author>
+// <sience>12.08.2013</sience>
+//----------------------------------------------------------------------
+namespace CampusAppWP8.Feed.GeoApi
+{
+    using System;
+    using System.Collections.Generic;
+    using CampusAppWP8.Model;
+    using CampusAppWP8.Model.GeoDb;
+    using CampusAppWP8.Model.Utility;
+    using CampusAppWP8.Resources;
+    using CampusAppWP8.Utility;
+
+    /// <summary>
+    /// Class for SPSAPI
+    /// </summary>
+    public class CampusSpsApi : SpsApi
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="CampusSpsApi" /> class.
+        /// </summary>
+        public CampusSpsApi()
+            : base()
+        {
+        }
+
+        /// <summary>
+        /// Method set the UriParameter of a campusRequest for a given latitude and longitude
+        /// </summary>
+        /// <param name="lat">latitude parameter</param>
+        /// <param name="log">longitude parameter</param>
+        public void SetupCampusRequest(string lat, string log)
+        {
+            this.SetupPlaceRequest(lat, log, Constants.SpsApi_CampusDomain);
+        }
+
+        /// <summary>
+        /// Method set the UriParameter of a campusRequest for the actualPosition
+        /// </summary>
+        public void SetupCurrentCampusRequest()
+        {
+            Utilities.DetermineAndStoreCurrentPosition();
+            string lat = App.LoadFromAppState<string>(Constants.GeoWatch_CurrentPosition_Lat);
+            string log = App.LoadFromAppState<string>(Constants.GeoWatch_CurrentPosition_Long);
+            this.SetupCampusRequest(lat, log);
+        }
+
+        /// <summary>
+        /// Method return the campus of the placeList
+        /// </summary>
+        /// <returns>actual campus</returns>
+        public CampusAppWP8.Model.Setting.UserProfilModel.Campus GetCampus()
+        {
+            if (this.Model == null)
+            {
+                return Settings.UserProfil.DefaultCampus;
+            }
+
+            CampusAppWP8.Model.Setting.UserProfilModel.Campus campus;
+            foreach (PlaceModel place in this.Model.Places)
+            {
+                if (Enum.TryParse(place.PlaceId, true, out campus))
+                {
+                    return campus;
+                }
+            }
+
+            return Settings.UserProfil.DefaultCampus;
+        }
+    }
+}
diff --git a/CampusAppWP8/CampusAppWP8/Api/GeoApi/SpsApi.cs b/CampusAppWP8/CampusAppWP8/Api/GeoApi/SpsApi.cs
index 92592730..7972517f 100644
--- a/CampusAppWP8/CampusAppWP8/Api/GeoApi/SpsApi.cs
+++ b/CampusAppWP8/CampusAppWP8/Api/GeoApi/SpsApi.cs
@@ -29,51 +29,22 @@ namespace CampusAppWP8.Feed.GeoApi
         }
 
         /// <summary>
-        /// Method set the UriParameter of a campusRequest for a given latitude and longitude
+        ///  Method set the UriParameter of a placeRequest for a given latitude and longitude
         /// </summary>
-        /// <param name="lat">latitude parameter</param>
-        /// <param name="log">longitude parameter</param>
-        public void SetupCampusRequest(string lat, string log)
+        /// <param name="lat">latitude of the place</param>
+        /// <param name="log">longitude of the place</param>
+        /// <param name="domian">request domain</param>
+        public void SetupPlaceRequest(string lat, string log, string domian = null)
         {
             List<UrlParamModel> parameterList = new List<UrlParamModel>();
-            parameterList.Add(new CleanUrlParamModel("latitude", lat));
-            parameterList.Add(new CleanUrlParamModel("longitude", log));
-            parameterList.Add(new CleanUrlParamModel("domain", "3"));
+            parameterList.Add(new CleanUrlParamModel(Constants.SpsApi_LatitudeParaKey, lat));
+            parameterList.Add(new CleanUrlParamModel(Constants.SpsApi_LongitudeParaKey, log));
+            if (domian != null)
+            {
+                parameterList.Add(new CleanUrlParamModel(Constants.SpsApi_DomainParaKey, domian));
+            }
+
             this.SetUriParams(parameterList);
         }
-
-        /// <summary>
-        /// Method set the UriParameter of a campusRequest for the actualPosition
-        /// </summary>
-        public void SetupCurrentCampusRequest()
-        {
-            Utilities.DetermineAndStoreCurrentPosition();
-            string lat = App.LoadFromAppState<string>(Constants.GeoWatch_CurrentPosition_Lat);
-            string log = App.LoadFromAppState<string>(Constants.GeoWatch_CurrentPosition_Long);
-            this.SetupCampusRequest(lat, log);
-        }
-
-        /// <summary>
-        /// Method return the campus of the placeList
-        /// </summary>
-        /// <returns>actual campus</returns>
-        public CampusAppWP8.Model.Setting.UserProfilModel.Campus GetCampus()
-        {
-            if (this.Model == null)
-            {
-                return Settings.UserProfil.DefaultCampus;
-            }
-
-            CampusAppWP8.Model.Setting.UserProfilModel.Campus campus;
-            foreach (PlaceModel place in this.Model.Places)
-            {
-                if (Enum.TryParse(place.PlaceId, true, out campus))
-                {
-                    return campus;
-                }
-            }
-
-            return Settings.UserProfil.DefaultCampus;
-        }
     }
 }
diff --git a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
index 941581ca..a85ec411 100644
--- a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
+++ b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
@@ -93,6 +93,7 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="Api\GeoApi\CampusSpsApi.cs" />
     <Compile Include="Api\GeoApi\SpsApi.cs" />
     <Compile Include="App.xaml.cs">
       <DependentUpon>App.xaml</DependentUpon>
@@ -439,13 +440,15 @@
     <Reference Include="AsyncCtpLibrary_Phone">
       <HintPath>..\packages\BuiltToRoam.Core.Agent.1.0.1.5\lib\sl4-wp71\AsyncCtpLibrary_Phone.dll</HintPath>
       <EmbedInteropTypes>False</EmbedInteropTypes>
-      <Aliases>global2</Aliases>
+      <Aliases>global</Aliases>
     </Reference>
     <Reference Include="BuiltToRoam.Core.Agent">
       <HintPath>..\packages\BuiltToRoam.Core.Agent.1.0.1.5\lib\sl4-wp71\BuiltToRoam.Core.Agent.dll</HintPath>
+      <Aliases>global</Aliases>
     </Reference>
     <Reference Include="BuiltToRoam.GeoWatcher">
       <HintPath>..\packages\BuiltToRoam.GeoWatcher.1.0.1.5\lib\sl4-wp71\BuiltToRoam.GeoWatcher.dll</HintPath>
+      <Aliases>global</Aliases>
     </Reference>
     <Reference Include="Microsoft.Phone.Controls, Version=8.0.0.0, Culture=neutral, PublicKeyToken=24eec0d8c86cda1e, processorArchitecture=MSIL" />
     <Reference Include="Microsoft.Phone.Controls.Toolkit">
diff --git a/CampusAppWP8/CampusAppWP8/Feed/Mensa/MensaFeed.cs b/CampusAppWP8/CampusAppWP8/Feed/Mensa/MensaFeed.cs
index 362fe248..950fc50e 100644
--- a/CampusAppWP8/CampusAppWP8/Feed/Mensa/MensaFeed.cs
+++ b/CampusAppWP8/CampusAppWP8/Feed/Mensa/MensaFeed.cs
@@ -11,7 +11,6 @@ namespace CampusAppWP8.Feed.Mensa
     using System.IO;
     using CampusAppWP8.Model;
     using CampusAppWP8.Model.Mensa;
-    using CampusAppWP8.Resources;
 
     /// <summary>
     /// This Class is for MensaFeeds
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs
index 181d2ed1..da74254d 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs
@@ -43,7 +43,7 @@ namespace CampusAppWP8.Pages.Mensa
         /// <summary>
         /// API for Localization
         /// </summary>
-        private SpsApi spsApi;
+        private CampusSpsApi campusApi;
 
         /// <summary>
         /// Flag for forcing webLoad
@@ -96,7 +96,7 @@ namespace CampusAppWP8.Pages.Mensa
         /// </summary>
         private void SpsApiIsReady()
         {
-            this.InitializeFeed(this.spsApi.GetCampus());
+            this.InitializeFeed(this.campusApi.GetCampus());
         }
 
         /// <summary>
@@ -104,10 +104,10 @@ namespace CampusAppWP8.Pages.Mensa
         /// </summary>
         private void DeterminCurrentCampusAndLoadFeed()
         {
-            this.spsApi = new SpsApi();
-            this.spsApi.onLoaded += new SpsApi.OnLoaded(this.SpsApiIsReady);
-            this.spsApi.SetupCurrentCampusRequest();
-            this.spsApi.LoadData();
+            this.campusApi = new CampusSpsApi();
+            this.campusApi.onLoaded += new SpsApi.OnLoaded(this.SpsApiIsReady);
+            this.campusApi.SetupCurrentCampusRequest();
+            this.campusApi.LoadData();
         }
 
         /// <summary>
diff --git a/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs b/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
index aa28477a..865e17fb 100644
--- a/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
+++ b/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
@@ -654,6 +654,42 @@ namespace CampusAppWP8.Resources {
             }
         }
         
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die 3 ähnelt.
+        /// </summary>
+        public static string SpsApi_CampusDomain {
+            get {
+                return ResourceManager.GetString("SpsApi_CampusDomain", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die domain ähnelt.
+        /// </summary>
+        public static string SpsApi_DomainParaKey {
+            get {
+                return ResourceManager.GetString("SpsApi_DomainParaKey", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die latitude ähnelt.
+        /// </summary>
+        public static string SpsApi_LatitudeParaKey {
+            get {
+                return ResourceManager.GetString("SpsApi_LatitudeParaKey", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die longitude ähnelt.
+        /// </summary>
+        public static string SpsApi_LongitudeParaKey {
+            get {
+                return ResourceManager.GetString("SpsApi_LongitudeParaKey", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Sucht eine lokalisierte Zeichenfolge, die ToggleContent ähnelt.
         /// </summary>
diff --git a/CampusAppWP8/CampusAppWP8/Resources/Constants.resx b/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
index fde2d6ff..45e2bc0c 100644
--- a/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
+++ b/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
@@ -393,4 +393,16 @@
   <data name="UrlMensa_Week_SBFMain" xml:space="preserve">
     <value>http://www.tu-cottbus.de/campusapp-data/Studentenwerk/index.php?mensa=Senftenberg&amp;v=1</value>
   </data>
+  <data name="SpsApi_CampusDomain" xml:space="preserve">
+    <value>3</value>
+  </data>
+  <data name="SpsApi_DomainParaKey" xml:space="preserve">
+    <value>domain</value>
+  </data>
+  <data name="SpsApi_LatitudeParaKey" xml:space="preserve">
+    <value>latitude</value>
+  </data>
+  <data name="SpsApi_LongitudeParaKey" xml:space="preserve">
+    <value>longitude</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Utility/Utilities.cs b/CampusAppWP8/CampusAppWP8/Utility/Utilities.cs
index 45dadd22..30296f10 100644
--- a/CampusAppWP8/CampusAppWP8/Utility/Utilities.cs
+++ b/CampusAppWP8/CampusAppWP8/Utility/Utilities.cs
@@ -6,7 +6,7 @@
 // <sience>16.07.2013</sience>
 //-----------------------------------------------------------------------------
 namespace CampusAppWP8.Utility
-{   
+{
     using System;
     using System.Collections.Generic;
     using System.Device.Location;
@@ -204,9 +204,8 @@ namespace CampusAppWP8.Utility
         /// <summary>
         /// Method determine the current position of the phone
         /// </summary>
-        /// <param name="accuracy">accuracy of the position in meters</param>
         /// <returns>the position of the phone</returns>
-        public static GeoPosition<GeoCoordinate> DetermineCurrentPosition(uint accuracy = 50)
+        public static GeoPosition<GeoCoordinate> DetermineCurrentPosition()
         {
             if (!Settings.AppSetting.GeoWatchEnable)
             {
@@ -220,6 +219,12 @@ namespace CampusAppWP8.Utility
             {
                 geoposition = watcher.Position;
             }
+            else if (watcher.Permission.Equals(GeoPositionPermission.Denied))
+            {
+                // set to 0 point, if access to device is not allow
+                geoposition = new GeoPosition<GeoCoordinate>();
+                geoposition.Location = new GeoCoordinate(0, 0);
+            }
 
             watcher.Stop();
             return geoposition;