For decompressing WOA09 data any utilities which can handle zip-archives could be used (i.e. WinZip, WinRAR, StuffIt, MacZip, UnZip, etc.). Some operational systems have embedded support for zip-archives. We are provided gzip124.exe and gzip124.tar decompressing utilities.
Data management and visualization also could be done with the Ocean Data View software. The latest version and software requirement can be obtained from the ODV web site http://odv.awi.de/en/software/download/*.