Keywords: class-herschel-fits

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## Observation header

The relevant metadata have been exported from the Herschel-HIFI FITS to the CLASS observation header, namely in:

- the General section in `R%HEAD%GEN%`,
- the Position section in `R%HEAD%POS%`,
- the Spectroscopic section in `R%HEAD%SPE%`,
- the Frequency Switch section in `R%HEAD%FSW%` if relevant,
- a subset of the Calibration section in `R%HEAD%CAL%`, and
- the new Herschel-HIFI section in `R%HEAD%HER%`, where the metadata specific to this instrument can be found.

A raw overview of the whole header can be displayed with the command `DUMP`. Each section can be listed (name and values) with the command `EXAMINE`. We present in the section how these sections were filled from the Herschel-HIFI FITS headers.