VOYAGE_ID 	A text file containing the ship's voyage identifier

adcp		Teledyne RDI 75Hz Ocean Surveyor ADCP data files, data collected using UHDAS

doc		Metadata documentation for the voyage including the voyage.metadata,  instrument.metadata, 

		permits, ship drawings        

shiptrack 	kml file of voyage track and a gmt.xy file with time stamped lat and lon of voyage track

underway	Underway data collected during the voyage, including meteorological and navigation log files.

underway/doc	Underway instrument metadata and calibration sheets

underway/proc 	CSV files of underway data