GPSvaatjad
GPSvaatjad is a term used in geospatial and GNSS circles to describe a network of volunteers, researchers, and institutions that monitor the performance and integrity of global positioning systems. The concept emerged in the early 2010s within European and Nordic geospatial communities as interest grew in understanding GNSS reliability for critical infrastructure.
GPSvaatjad collect and share signal data from a distributed set of receiver stations to analyze GPS satellites’
Data are typically drawn from publicly available logs, citizen-science networks, and university installations, then standardized using
Since its inception, GPSvaatjad has evolved into regional hubs across Scandinavia and Central Europe, fostering collaborations