Processed ship-based Multibeam Sonar Data (version 2) acquired in the eastern Pacific Ocean during the Thomas Washington expedition RNDB18WT (1989)

This data set was acquired with a ship-based SeaBeam Classic Multibeam Sonar system during Thomas Washington expedition RNDB18WT conducted in 1989 (Chief Scientist: Dr. Peter Lonsdale). These data files are of MBSystem format and include Swath Bathymetry data and were processed at sea using the open source MB-System multibeam sonar processing software. These data are included in the GMRT Synthesis, version 1.