A secured server https://gage.upc.edu/Products/ allows users to download gAGE precise products.
If you wish to gain access to the Fast-PPP products, send an email to info.gage [at] upc.edu
The gAGE precise products consist of four precise products listed here:
The server is structured in several directories:
yyyy: year 4-digit (i.e., 2014).
ddd: day of the year number (i.e., 001).
If you feel it is appropriate, you may consider paying us back by citing the Fast-PPP papers:
Rovira-Garcia A., Juan J. M., Sanz J., González-Casado G., D. Ibáñez-Segura (2016). "Accuracy of ionospheric models used in GNSS and SBAS: methodology and analysis", Journal of Geodesy, Volume 90, Issue 3, pp 229-240, March 2016. DOI: 10.1007/s00190-015-0868-3
A. Rovira-Garcia, Juan, J. M., J. Sanz, Guillermo González-Casado (2015). "A World-Wide Ionospheric Model for Fast Precise Point Positioning", IEEE Transactions on Geoscience and Remote Sensing, Volume: 53, Issue: 8, DOI10.1109/TGRS.2015.2402598 (Open Access).