diff --git a/auto_rx/auto_rx.py b/auto_rx/auto_rx.py
index 3d8229f..73422f1 100644
--- a/auto_rx/auto_rx.py
+++ b/auto_rx/auto_rx.py
@@ -204,7 +204,8 @@ def start_decoder(freq, sonde_type):
             exporter = exporter_functions,
             timeout = config['rx_timeout'],
             telem_filter = telemetry_filter,
-            rs92_ephemeris = rs92_ephemeris
+            rs92_ephemeris = rs92_ephemeris,
+            imet_location = config['station_code']
             )
         autorx.sdr_list[_device_idx]['task'] = autorx.task_list[freq]['task']
 
diff --git a/auto_rx/autorx/config.py b/auto_rx/autorx/config.py
index 62aa629..e8ace63 100644
--- a/auto_rx/autorx/config.py
+++ b/auto_rx/autorx/config.py
@@ -61,6 +61,7 @@ def read_auto_rx_config(filename):
 		'station_lat'	: 0.0,
 		'station_lon'	: 0.0,
 		'station_alt'	: 0.0,
+		'station_code'	: 'SONDE',
 		# Position Filter Settings
 		'max_altitude'	: 50000,
 		'max_radius_km'	: 1000,
@@ -235,6 +236,15 @@ def read_auto_rx_config(filename):
 		except:
 			logging.error("Config - Could not find debugging settings - using defaults.")
 
+		# iMet station code - added 2019-03-24
+		try:
+			auto_rx_config['station_code'] = config.get('location', 'station_code')
+			if len(auto_rx_config['station_code']) > 5:
+				auto_rx_config['station_code'] = auto_rx_config['station_code'][:5]
+				logging.warning("Config - Clipped station code to 5 digits: %s" % auto_rx_config['station_code'])
+		except:
+			logging.error("Config - Could not find station_code field, using default.")
+
 
 		# Now we attempt to read in the individual SDR parameters.
 		auto_rx_config['sdr_settings'] = {}
diff --git a/auto_rx/autorx/decode.py b/auto_rx/autorx/decode.py
index 3a68eb2..54bc120 100644
--- a/auto_rx/autorx/decode.py
+++ b/auto_rx/autorx/decode.py
@@ -529,7 +529,7 @@ class SondeDecoder(object):
                     self.imet_id = imet_unique_id(_telemetry, custom=self.imet_location)
                 
                 _telemetry['id'] = self.imet_id
-
+                _telemetry['station_code'] = self.imet_location
 
             # If we have been provided a telemetry filter function, pass the telemetry data
             # through the filter, and return the response
diff --git a/auto_rx/autorx/habitat.py b/auto_rx/autorx/habitat.py
index b54908e..fd0e867 100644
--- a/auto_rx/autorx/habitat.py
+++ b/auto_rx/autorx/habitat.py
@@ -90,6 +90,12 @@ def sonde_telemetry_to_sentence(telemetry, payload_callsign=None, comment=None):
         if (telemetry['bt'] != -1) and (telemetry['bt'] != 65535):
             _sentence += " BT %s" % time.strftime("%H:%M:%S", time.gmtime(telemetry['bt']))
 
+    # Add on the station code, which will only be present if we are receiving an iMet sonde.
+    # This may assist multiple receiving stations in the vicinity of an iMet launch site coordinate
+    # the iMet unique ID generation.
+    if 'station_code' in telemetry:
+        _sentence += " LOC: %s" % telemetry['station_code']
+
     # Add on any custom comment data if provided.
     if comment != None:
         comment = comment.replace(',','_')
diff --git a/auto_rx/autorx/logger.py b/auto_rx/autorx/logger.py
index 3bedc95..b58b819 100644
--- a/auto_rx/autorx/logger.py
+++ b/auto_rx/autorx/logger.py
@@ -36,7 +36,7 @@ class TelemetryLogger(object):
     FILE_ACTIVITY_TIMEOUT = 30
 
     # We require the following fields to be present in the input telemetry dict.
-    REQUIRED_FIELDS = ['frame', 'id', 'datetime', 'lat', 'lon', 'alt', 'temp', 'type', 'freq', 'datetime_dt']
+    REQUIRED_FIELDS = ['frame', 'id', 'datetime', 'lat', 'lon', 'alt', 'temp', 'humidity', 'type', 'freq', 'datetime_dt']
 
     def __init__(self,
         log_directory = "./log"):
@@ -116,7 +116,7 @@ class TelemetryLogger(object):
         Args:
             telemetry (dict): Telemetry dictionary to process.
         """
-        _log_line = "%s,%s,%d,%.5f,%.5f,%.1f,%.1f,%s,%.3f" % (
+        _log_line = "%s,%s,%d,%.5f,%.5f,%.1f,%.1f,%.1f,%s,%.3f" % (
             telemetry['datetime'],
             telemetry['id'],
             telemetry['frame'],
@@ -124,9 +124,17 @@ class TelemetryLogger(object):
             telemetry['lon'],
             telemetry['alt'],
             telemetry['temp'],
+            telemetry['humidity'],
             telemetry['type'],
             telemetry['freq_float'])
 
+        # Other fields that may not always be present.
+        if 'sats' in telemetry:
+            _log_line += ",SATS %d" % telemetry['sats']
+
+        if 'batt' in telemetry:
+            _log_line += ",BATT %.1f" % telemetry['batt']
+
         # Check for Burst/Kill timer data, and add in.
         if 'bt' in telemetry:
             if (telemetry['bt'] != -1) and (telemetry['bt'] != 65535):
diff --git a/auto_rx/station.cfg.example b/auto_rx/station.cfg.example
index 3047b07..4f4eaf6 100644
--- a/auto_rx/station.cfg.example
+++ b/auto_rx/station.cfg.example
@@ -73,6 +73,8 @@ greylist = []
 
 
 
+
+
 ####################
 # STATION LOCATION #
 ####################
@@ -82,6 +84,15 @@ station_lat = 0.0
 station_lon = 0.0
 station_alt = 0.0
 
+# Location Code (Maximum 5 characters)
+# This is ONLY used by the Intermet iMet decoder, to provide additional entropy when
+# generating a unique ID for the iMet sondes, which do not transmit their serial number. 
+# If you know the WMO number of the launch site, then this would be a good value to use. 
+# Otherwise the ICAO Code of the airport nearest to the launch site would also work.
+# If you are not expecting to RX iMet sondes, then this can be left at its default.
+
+station_code = SONDE
+
 
 
 ###########################