This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP0106 conducted in 2001 (Chief Scientist: Dr. Martin Visbeck). 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): Acquisition and Operation of Broadband Seismograph Equipment at Chilean Bases in the Antarctic Peninsula Region, Open Cape Sherriff Field Camp, and CORC-Arches, and funding was provided by NSF grant ANT98-14622.