The file types comprise:

*.RAW - the edited raw data downloaded from the GDP-32
*.MDE - files containing processing information
*.AVG - files created by Zonge's CRAVG containing averaged data
*.TEM - files created by Zonge's CRAVG program containing averaged data in AMIRA
format.
*.Z - files used for plotting containing amplitudes normalised by the amperage.
*.x01 contains log-linear amplitude data in uV/A. HPGL print files that can be copied to a printer.

