This data set was acquired with a ship-based Navigation system during Laurence M. Gould expedition LMG1104 conducted in 2011 (Chief Scientist: Dr. Kristin O'Brien). These data files are of MGDS:Nav format and include Primary Navigation data and were processed after data collection. Data were acquired as part of the project(s): Western Peninsula Fishing, and funding was provided by NSF grant(s): ANT10-43781.