encoder {
  ibm {
    trackdata {
      sector_size: 1024
	  track_length_ms: 200
      clock_rate_khz: 250
	  emit_iam: true
	  use_fm: false
      sectors {
        sector: 1
        sector: 3
        sector: 5
		sector: 2
        sector: 4
      }
    }
  }
}
decoder {
  ibm {
  }
}
cylinders {
  start: 0
  end: 79
}
heads {
  start: 0
  end: 1
}
comment: "NKC 5.25 80-track 5-sector DSDD"
image_writer {
  filename: "nkc.img"
  img {
  }
}
flux_source {
  drive {
    drive: 0
  }
}
flux_sink {
  drive {
    drive: 0
  }
}
image_reader {
  filename: "nkc.img"
  img {
    trackdata {
      sector_size: 1024
      sector_range {
        start_sector: 1
        sector_count: 5
      }
    }
    tracks: 80
    sides: 2
  }
}