SONFileHeader

  SONFILEHEADER reads the file header for a SON file

  HEADER=SONFILEHEADER(FID)

  Used internally by the library. 
  See CED documentation of SON system for details.

  24/6/05 Fix filecomment - now 5x1 not 5x5

  Malcolm Lidierth 03/02
  Updated 06/05 ML
  Copyright © The Author & King's College London 2002-2006