Where Does The Blue Dot Come From? (opens in new tab)

Calculating the location of your mobile device ( the blue dot ) is not as straightforward as you might imagine. It involves databases of wifi hotspots, 3D city models, IMU's, GNSS, your proximity to cell towers, and maybe something called visual positioning. Ed Parsons - Googles Geospatial Technologist explains previous podcast episode that you might enjoy! SATELLITE-BASED AUGMENTATION SYSTEM - A BASE STATION IN THE SKY POSITIONING AS A SERVICE AND THE ROLE OF SMARTPHONES IN THE FUTURE OF GEO...