 test sander vs. nab for bsc0
  &cntrl
  ntf    = 1,       ntb    = 0,  ntpr =1,
  igb    = 1,       saltcon= 0.00,
  cut    = 99.0,   rgbmax = 99.0,
  imin   = 1,       maxcyc = 10, 
 &end
