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-??-00036721 QUALITY 'test'
OPHDRFIX sdR-??-00036722 QUALITY 'test'
OPHDRFIX sdR-??-00036730 QUALITY 'bad'
OPHDRFIX sdR-??-00036731 QUALITY 'bad'
OPHDRFIX sdR-??-00036732 QUALITY 'bad'
OPHDRFIX sdR-??-00036733 QUALITY 'bad'
OPHDRFIX sdR-??-00036766 QUALITY 'bad'