The following information obtained from UNAVCO's online DOI system: (https://www.unavco.org/data/doi/search/search.html) PBO GPS Network - AC30-MontaguIslAK2007 P.S. Start: 31-Aug-2007 End: 21-Jan-2009 UNAVCO Community, 2007, PBO GPS Network - AC30-MontaguIslAK2007 P.S., UNAVCO, GPS/GNSS Observations Dataset, https://doi.org/10.7283/T5J67DZ1