By Sean Barbeau*.

As the developer behind GPSTest, a popular open-source Global Navigation Satellite System (GNSS) testing app for Android, it’s been incredible to see the advances in both device and satellite technology over the last five years.

GPSTest app

I’ve learned a lot along the way, and there have been many surprises in terms of how embedded GNSS behaves on Android devices. However, the most surprising revelation by far has been related to EU’s Galileo. Read more…