diff --git a/Dev-Notes.md b/Dev-Notes.md
index bfe6a84..7c7e8e0 100644
--- a/Dev-Notes.md
+++ b/Dev-Notes.md
@@ -1,11 +1,12 @@
 ## 20240117
 
-Example SQL query to create a `qgis_friendly` view that converts Cayenne GPS location into PostGIS point, includes RSSI, time, and gatewayId, and filters on gatewayId:
+Example SQL query to create a `qgis_friendly` view that converts Cayenne GPS location into PostGIS point, includes unique ID, RSSI, time, and gatewayId, and filters on gatewayId:
 
 ```sql
 CREATE OR REPLACE VIEW qgis_friendly AS
-WITH data(gatewayId, time, alt, lat, lon, rssi) AS
+WITH data(id, gatewayId, time, alt, lat, lon, rssi) AS
   (SELECT
+    deduplication_id,
     rx_info -> 0 ->> 'gatewayId',
     time,
     CAST (object -> 'gpsLocation' -> '1' ->> 'altitude' AS FLOAT),
@@ -13,7 +14,8 @@ WITH data(gatewayId, time, alt, lat, lon, rssi) AS
     CAST (object -> 'gpsLocation' -> '1' ->> 'longitude' AS FLOAT),
     CAST (rx_info -> 0 ->> 'rssi' AS INTEGER)
   FROM event_up)
-SELECT 
+SELECT
+  id,
   gatewayId,
   time,
   ST_SetSRID(ST_MakePoint(lon, lat, alt), 4326) AS location,