diff --git a/code/enums.py b/code/enums.py
index 889f532..da5d11c 100644
--- a/code/enums.py
+++ b/code/enums.py
@@ -79,6 +79,7 @@ def get_name(cls, dimension_id: int) -> str:
         """
         return cls._names.get(dimension_id, "Unknown")
 
+
 class SensorModel():
     SEN5X = 1
     BMP280 = 2
@@ -109,10 +110,32 @@ class SensorModel():
     @classmethod
     def get_sensor_name(cls, sensor_model):
         return cls._names.get(sensor_model, "Unknown Sensor")
-    
+
+
 class LdProduct():
     AIR_AROUND = 1
     AIR_CUBE = 2
     AIR_STATION = 3
     AIR_BADGE = 4
-    AIR_BIKE = 5
\ No newline at end of file
+    AIR_BIKE = 5
+
+
+class Source():
+    LD = 1
+    LDTTN = 2
+    SC = 3
+
+    _names = {
+        LD: "Luftdaten.at",
+        LDTTN: "Luftdaten.at TTN LoRaWAN",
+        SC: "sensor.community"
+    }
+
+    @classmethod
+    def get_name(cls, source_id: int) -> str:
+        """
+        Gibt den Namen der angegebenen Source zurück.
+        :param source_id: Die ID der Source
+        :return: Der zugehörige Name oder 'Unknown', wenn kein Name vorhanden ist
+        """
+        return cls._names.get(source_id, "Unknown")
diff --git a/code/models.py b/code/models.py
index 5f7b088..303d5cd 100644
--- a/code/models.py
+++ b/code/models.py
@@ -64,6 +64,7 @@ class Station(Base):
     firmware = Column(String)
     apikey = Column(String)
     last_active = Column(DateTime)
+    source = Column(Integer)
     # Relationships:
     location_id = Column(Integer, ForeignKey('locations.id'))
     location = relationship("Location", back_populates="stations")
@@ -103,6 +104,6 @@ class HourlyAverages(Base):
     station_id = Column(Integer, ForeignKey('stations.id'))
     station = relationship("Station")
     avg_value = Column(Float)
-    sensor_model = Column(Integer)  # Referenz auf den Sensortyp
-    dimension = Column(Integer)     # Referenz auf die Dimension des Messwertes
-    timestamp = Column(DateTime)    # Zeitstempel für die Stunde
\ No newline at end of file
+    sensor_model = Column(Integer)
+    dimension = Column(Integer)
+    timestamp = Column(DateTime)
\ No newline at end of file
diff --git a/code/routers/station.py b/code/routers/station.py
index 0818f57..c971368 100644
--- a/code/routers/station.py
+++ b/code/routers/station.py
@@ -3,10 +3,11 @@
 from datetime import datetime, timedelta
 from zoneinfo import ZoneInfo
 from database import get_db
-from models import Station, Measurement, Values
+import json
+
+from models import Station, Location, Measurement, Values
 from schemas import StationDataCreate, SensorsCreate
 from utils import get_or_create_location, download_csv
-import json
 from tasks import calculate_hourly_average
 
 router = APIRouter()
@@ -132,15 +133,24 @@ async def create_station_data(
     db_station = db.query(Station).filter(Station.device == station.device).first()
 
     if db_station is None:
-        # Wenn die Station noch nicht existiert, erstelle eine neue Location und Station
-        new_location = get_or_create_location(db, station.location.lat, station.location.lon, float(station.location.height))
+        # Neue Station und neue Location anlegen
+        new_location = Location(
+            lat=station.location.lat,
+            lon=station.location.lon,
+            height=float(station.location.height)
+        )
+        db.add(new_location)
+        db.commit()
+        db.refresh(new_location)
 
+        # Neue Station anlegen und das source-Feld überprüfen (Standardwert ist 1)
         db_station = Station(
             device=station.device,
             firmware=station.firmware,
             apikey=station.apikey,
             location_id=new_location.id,
-            last_active=station.time
+            last_active=station.time,
+            source=station.source if station.source is not None else 1
         )
         db.add(db_station)
         db.commit()
@@ -148,7 +158,10 @@ async def create_station_data(
     else:
         # Station existiert, API-Schlüssel überprüfen
         if db_station.apikey != station.apikey:
-            raise HTTPException(status_code=401, detail="Invalid API key")
+            raise HTTPException(
+                status_code=401,
+                detail="Invalid API key"
+            )
 
         updated = False
 
diff --git a/code/schemas.py b/code/schemas.py
index 759b8a3..276aa32 100644
--- a/code/schemas.py
+++ b/code/schemas.py
@@ -20,6 +20,7 @@ class StationDataCreate(BaseModel):
     firmware: str
     apikey: str
     location: LocationCreate
+    source: Optional[int] = 1
 
 
 class SensorDataCreate(BaseModel):