Format Data in 'Exchange' Format A spreadsheet-like, single file format for CCHDO data. Data in NetCDF CCHDO data is now being written in Unidata's NetCDF. Original WOCE Format Description (pdf) Chapter 4 of "WHP 90-1 : Requirements for WHP Data Reporting Hydrographic Data Formats A sample SUM file An example of a SUM file with explanations and descriptions of parameters