<h2>GTL MGF EditorB</h2>
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   <b>Caveats</b>  
    The Bz offset is still contained in the magnetic field data. The
    magnitude of the Bz offset is about 0.5 nT (+-0.3 nT). The corrected
    version of the magnetic field data will be published soon.
    Kokubun et al., Geotail Prelaunch Report, ISAS, 58-70, 1992