1. Adam J et al (2002) Status of the European reference frame—EUREF. IAG Symp Ser 125:42–46
2. Bergeot N, Chevalier JM, Bruyninx C, Pottiaux E, Aerts W, Baire Q, Legrand J, Defraigne P, Huang W (2014) Near real-time ionospheric monitoring over Europe at the Royal Observatory of Belgium using GNSS data. J Space Weather Space Clim 4:A31.
https://doi.org/10.1051/swsc/2014028
3. Boler F, Brown N, Bruyninx C, Johnston G (2017) Progress toward a standard-based XML system for IGS network site log metadata management and dissemination using GeodesyML.
http://www.igs.org/assets/pdf/W2017-PY07-01%20-%20Boler.pdf
. Accessed 12 Dec 2018
4. Brown N, Fraser R, Johnston G (2016) Maximising interoperability and discoverability of geodetic products and services.
http://geodesyml.org/wp-content/uploads/2016/03/BROWN-IGS-Workshop-2016.pdf
. Accessed 12 Dec 2018
5. Bruyninx C (2017) Guidelines for EPN stations and operational centers.
http://epncb.oma.be/_documentation/guidelines/guidelines_station_operationalcentre.pdf
. Accessed 5 Feb 2019