typedef struct {
  char fileroot[20]; # Root of file name, without any ".fit" suffix
  char keyword[9]; # Keyword name
  char value[80]; # Keyword value (as a string)
} OPHDRFIX;


OPHDRFIX sdR-??-00031836 QUALITY 'test'
OPHDRFIX sdR-??-00031837 QUALITY 'test'
OPHDRFIX sdR-??-00031838 QUALITY 'test'
OPHDRFIX sdR-??-00031839 QUALITY 'bad'
OPHDRFIX sdR-??-00031840 QUALITY 'bad'
OPHDRFIX sdR-??-00031841 QUALITY 'bad'
OPHDRFIX sdR-??-00031842 QUALITY 'bad'
OPHDRFIX sdR-??-00031851 QUALITY 'bad'