diff --git a/lambda/sonde_api_to_iot_core/__init__.py b/lambda/sonde_api_to_iot_core/__init__.py
index 082da56..6c68ae7 100644
--- a/lambda/sonde_api_to_iot_core/__init__.py
+++ b/lambda/sonde_api_to_iot_core/__init__.py
@@ -290,11 +290,23 @@ def telemetry_filter(telemetry):
         if telemetry["software_name"] == "radiosonde_auto_rx":
             if parse_autorx_version(telemetry["software_version"]) < (1,5,9): 
                 return (False,f"Autorx version is out of date and doesn't handle iMet-1 and iMet-4 radiosondes correctly. Please update to 1.5.9 or later")
+    if "DFM" in telemetry["type"]:
+        if telemetry["software_name"] == "SondeMonitor":
+            if parse_sondemonitor_version(telemetry["software_version"]) < (6,2,7,9): 
+                return (False,f"SondeMonitor version is out of date and doesn't handle DFM radiosondes correctly. Please update to 6.2.7.9 or later")
+                    
     if "dev" in telemetry:
         return (False, "All checks passed however payload contained dev flag so will not be uploaded to the database")
 
     return (True, "")
 
+def parse_sondemonitor_version(version):
+    try:
+        m = re.search(r'(\d+)\.(\d+)\.(\d+)(?:\.(\d+))?', version)
+        return tuple([int(x if x != None else 0) for x in m.groups()])
+    except:
+        return (0,0,0,0)
+
 def parse_autorx_version(version):
     try:
         m = re.search(r'(\d+)\.(\d+)(?:\.(\d+))?', version)
diff --git a/lambda/sonde_api_to_iot_core/__main__.py b/lambda/sonde_api_to_iot_core/__main__.py
index c1633e1..c1e1244 100644
--- a/lambda/sonde_api_to_iot_core/__main__.py
+++ b/lambda/sonde_api_to_iot_core/__main__.py
@@ -5,21 +5,21 @@ import gzip
 import uuid
 body = [
     {
-        "software_name": "radiosonde_auto_rx",
-        "software_version": "1.5.9",
+        "software_name": "SondeMonitor",
+        "software_version": "6.2.7.9",
         "uploader_callsign": "DL1XH",
         "uploader_position": ["53.762","10.471",0],
         "uploader_antenna": "5/8 GP",
         "time_received": "2022-11-16T23:55:44.195615Z",
         "datetime": "2022-11-16T23:56:00.000000Z",
         "manufacturer": "Vaisala",
-        "type": "potato",
+        "type": "DFM",
         "serial": "T1240994",
-        "subtype": "iMet-4",
+        "subtype": "RS41-SGP",
         "frame": 5777,
         "lat": 54.6185,
         "lon": 11.23383,
-        "alt": 23214.77006,
+        "alt": 1.77006,
         "temp": -71.0,
         "humidity": 3.3,
         "pressure": 29.57,