CHEAD N1 N2 N3 WHICH TYPE -- Copies the headers of one set of spectra to
another, but preserves the wavelength scale of the spectra
which receive the headers.
Parameters:
N1 -- Slot number of first spectrum to copy headers from
N2 -- Slot number of last spectrum to copy headers from
N3 -- First slot to copy headers to. Only slots containing
valid spectra are affected.
WHICH -- Name of header item to be copied. 'all' for everything
TYPE -- Data type of header item to be copied (if WHICH.NE.'all')
'C','D','I','R' for CHARACTER etc.
Selection not applied.
This command belongs to the classes: headers .