The following information obtained from UNAVCO's online DOI system: (https://www.unavco.org/data/doi/search/search.html) MAGNET - SILV-SILV P.S. Start: 29-Jul-2014 End: 06-Oct-2021 Blewitt, Geoff, Hammond, William C., Kreemer, Corne, 2014, MAGNET - SILV-SILV P.S., UNAVCO, GPS/GNSS Observations Dataset, https://doi.org/10.7283/T5JH3JFJ