Density support data block descriptor
  descriptor 1
    Primary density code: 88
    Secondary density code: 88
    WRT: 1
    DUP: 0
    DEFLT: 1
    DLV: 0
    Bits per mm: 15142
    Media width: 127
    Tracks: 1280
    Capacity: 1541438
    Assigning organization: LTO-CVE 
    Density name: U-516   
    Description: Ultrium 5/16T