The following information obtained from UNAVCO's online DOI system: (https://www.unavco.org/data/doi/search/search.html) CVO GPS Network - THRM-THRM P.S. Start: 18-Jul-2009 End: 02-Sep-2016 Lisowski, Michael, 2017, CVO GPS Network - THRM-THRM P.S., UNAVCO, GPS/GNSS Observations Dataset, https://doi.org/10.7283/T5GT5KK0