This data set was acquired with a ship-based Navigation system during Laurence M. Gould expedition LMG0603 conducted in 2006 (Chief Scientist: Dr. Taro Takahashi). These data files are of SHP format and include Primary Navigation data and were processed after data collection. Data were acquired as part of the project(s): Processes driving spatial and temporal variability of surface pCO2 inthe Drake Passage, and funding was provided by NSF grant(s): ANT03-38248.