README.XYZ

The XYZ directory contains full-precision DGPS navigation data in ASCII format. The files are readable when opened under "all files" format in any application which can translate ASCII format. The DGPS data contains shot times and positions, as well as manually picked two-way traveltimes to the seafloor and to the top of the seismic basement. The format for the files is: shot-#, time-hh, time-mm, time-ss, latitude, longitude, dist-from-ridge, twt-sea-floor, and twt-basement. The file named LEG_168.XYZ is stored in tab-delimited fomat, whereas all other .XYZ files are stored in tab- and space-delimited format. The file name indicates the date that data collection for the line was initiated. For example, file 950804A.XYZ represents data collected from the line started on August 4, 1995.