diff --git a/ogn/collect/database.py b/ogn/collect/database.py
index 4697fe5..c62fc2b 100644
--- a/ogn/collect/database.py
+++ b/ogn/collect/database.py
@@ -34,5 +34,6 @@ def import_file(path='tests/custom_ddb.txt'):
     """Import registered devices from a local file."""
 
     logger.info("Import registered devices from '{}'...".format(path))
-    counter = update_devices(app.session, AddressOrigin.user_defined, get_ddb(path))
+    counter = update_devices(app.session, AddressOrigin.user_defined,
+                             get_ddb(path))
     logger.info("Imported {} devices.".format(counter))
diff --git a/ogn/collect/logbook.py b/ogn/collect/logbook.py
index 99b5889..4595e97 100644
--- a/ogn/collect/logbook.py
+++ b/ogn/collect/logbook.py
@@ -41,6 +41,12 @@ def compute_takeoff_and_landing():
         AircraftBeacon.timestamp,
         func.lag(AircraftBeacon.timestamp).over(order_by=and_(AircraftBeacon.address, AircraftBeacon.timestamp)).label('timestamp_prev'),
         func.lead(AircraftBeacon.timestamp).over(order_by=and_(AircraftBeacon.address, AircraftBeacon.timestamp)).label('timestamp_next'),
+        AircraftBeacon.name,
+        func.lag(AircraftBeacon.name).over(order_by=and_(AircraftBeacon.address, AircraftBeacon.timestamp)).label('name_prev'),
+        func.lead(AircraftBeacon.name).over(order_by=and_(AircraftBeacon.address, AircraftBeacon.timestamp)).label('name_next'),
+        AircraftBeacon.receiver_name,
+        func.lag(AircraftBeacon.receiver_name).over(order_by=and_(AircraftBeacon.address, AircraftBeacon.timestamp)).label('receiver_name_prev'),
+        func.lead(AircraftBeacon.receiver_name).over(order_by=and_(AircraftBeacon.address, AircraftBeacon.timestamp)).label('receiver_name_next'),
         AircraftBeacon.location_wkt,
         func.lag(AircraftBeacon.location_wkt).over(order_by=and_(AircraftBeacon.address, AircraftBeacon.timestamp)).label('location_wkt_prev'),
         func.lead(AircraftBeacon.location_wkt).over(order_by=and_(AircraftBeacon.address, AircraftBeacon.timestamp)).label('location_wkt_next'),
@@ -60,6 +66,8 @@ def compute_takeoff_and_landing():
     # find takeoffs and landings (look at the trigger_speed)
     takeoff_landing_query = app.session.query(
         sq.c.address,
+        sq.c.name,
+        sq.c.receiver_name,
         sq.c.timestamp,
         sq.c.location,
         sq.c.track,
@@ -76,8 +84,8 @@ def compute_takeoff_and_landing():
                          sq.c.ground_speed_next < landing_speed))) \
         .order_by(func.date(sq.c.timestamp), sq.c.timestamp)
 
-    # ... and save them
-    ins = insert(TakeoffLanding).from_select((TakeoffLanding.address, TakeoffLanding.timestamp, TakeoffLanding.location_wkt, TakeoffLanding.track, TakeoffLanding.ground_speed, TakeoffLanding.altitude, TakeoffLanding.is_takeoff), takeoff_landing_query)
+    # ... and save the
+    ins = insert(TakeoffLanding).from_select((TakeoffLanding.address, TakeoffLanding.name, TakeoffLanding.receiver_name, TakeoffLanding.timestamp, TakeoffLanding.location_wkt, TakeoffLanding.track, TakeoffLanding.ground_speed, TakeoffLanding.altitude, TakeoffLanding.is_takeoff), takeoff_landing_query)
     result = app.session.execute(ins)
     counter = result.rowcount
     app.session.commit()
diff --git a/ogn/commands/logbook.py b/ogn/commands/logbook.py
index 18847d5..720574e 100644
--- a/ogn/commands/logbook.py
+++ b/ogn/commands/logbook.py
@@ -36,7 +36,7 @@ def show(airport_name):
         return
 
     delta_altitude = 200
-    delta_radius = 10
+    delta_radius = 0.01  # degree!
 
     # make a query with current, previous and next "takeoff_landing" event, so we can find complete flights
     sq = session.query(
@@ -87,6 +87,7 @@ def show(airport_name):
                 .label('is_takeoff_next')) \
         .filter(func.ST_DFullyWithin(TakeoffLanding.location_wkt, Airport.location_wkt, delta_radius)) \
         .filter(TakeoffLanding.altitude < Airport.altitude + delta_altitude) \
+        .filter(Airport.name == airport.name) \
         .subquery()
 
     # find complete flights (with takeoff and landing) with duration < 1 day
diff --git a/ogn/commands/showreceiver.py b/ogn/commands/showreceiver.py
index 1d8c374..9a30512 100644
--- a/ogn/commands/showreceiver.py
+++ b/ogn/commands/showreceiver.py
@@ -18,8 +18,9 @@ def list_all():
 
     sq = session.query(distinct(ReceiverBeacon.name).label('name'),
                        func.max(ReceiverBeacon.timestamp).label('lastseen'),
-                       func.count(ReceiverBeacon.name).label('messages_count')
-                       ).filter(ReceiverBeacon.timestamp > timestamp_24h_ago).group_by(ReceiverBeacon.name).subquery()
+                       func.count(ReceiverBeacon.name).label('messages_count')) \
+                .filter(ReceiverBeacon.timestamp > timestamp_24h_ago) \
+                .group_by(ReceiverBeacon.name).subquery()
 
     query = session.query(Receiver, sq.c.messages_count).\
         filter(Receiver.name == sq.c.name).\