The following information obtained from UNAVCO's online DOI system: (https://www.unavco.org/data/doi/search/search.html) MAGNET - JERS-JERS P.S. Start: 19-Feb-2004 End: 11-Sep-2018 Blewitt, Geoff, Hammond, William C., Kreemer, Corne, 2009, MAGNET - JERS-JERS P.S., UNAVCO, GPS/GNSS Observations Dataset, https://doi.org/10.7283/T58W3BH8