SDSS MARCS grid

<p>This is a repackaged version of the SDSS grid of model atmospheres generated by the MARCS code.&nbsp; The values needed for Korg to to interpolated model atmospheres have been extracted and packed in an HDF5 file. It&nbsp;are being hosted here because it is too large for github.&nbsp; The original data is here:&nbsp;https://dr17.sdss.org/sas/dr17/apogee/spectro/speclib/atmos/marcs/MARCS_v3_2016/</p>