Other datasets have been converted and added to this database to provide an all sky coverage.
Users can define their own format, for which an extra slot is available.
All values in the header are integers, typically 10 times or 100 times, the actual real value, but this is certainly no requirement. It merely saves space. It separates header from spectrum. Use jo instead, which has been derived from the equivalent VB-FITS files. Ra and Dec are not known for the WW, LB and KJ datasets.