This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP9206 conducted in 1992 (Chief Scientist: Dr. Ray Smith). 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): Tropic Coupling Between Mesopelagic and Sea-Ice Communities in the Weddell Sea, and funding was provided by NSF grant(s): OPP89-17076.