This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP9207 conducted in 1992 (Chief Scientist: Dr. Ted Foster). 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): Antarctic Bottom Water Formation, and funding was provided by NSF grant(s): OPP89-15730.