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The data are divided into columns and scans. One measured quantity is listed per column, for example during a specified period in the time or during a load. A scan is a snap-shot recording, which comprises a variety of registrations from measurement instruments, for example at a fixed point in time, depth or load. The header has its own organisation. Information is profiled using fixed keywords. A keyword is recognised unequivocally. The sequence of most keywords is not important. A keyword is followed by information (except for the EOH keyword). How the information must be interpreted depends on the keyword. The length of the header is variable. As the header is specified in ASCII, it is always readable, via an editor or a simple viewer, regardless of how the data is stored.
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