This data set was acquired with a Navigation System during R/V Laurence M. Gould expedition LMG1509 conducted in 2015 (Chief Scientist: Dr. Josh Kohut, Investigator: Dr. Josh Kohut). 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): Collaborative Research: Impacts of Local Oceanographic Processes on Adelie Penguin Foraging Ecology Over Palmer Deep. Funding was provided by NSF award(s): PLR13-27248.