This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP9507 conducted in 1995 (Chief Scientist: Dr. Gary Klinkhammer). 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): Neotectonic Evolution of Antarctic Peninsula/Scotia Sea Region, and funding was provided by NSF grant(s): OPP93-17588 and OPP97-31695.