This data set was acquired with a Navigation System during R/V Laurence M. Gould expedition LMG1805 conducted in 2018 (Chief Scientist: Dr. William Detrich, Investigator: Dr. William Detrich). These data files are of Text File (ASCII) format and include Navigation data that were processed after acquisition. Data were acquired as part of the project(s): Antarctic Notothenioid Fishes: Sentinel Taxa for Southern Ocean Warming. Funding was provided by NSF award(s): OPP14-44167.