Component(s)            Fraction of radiation length (%)
------------            --------------------------------
Barrel + port cards
    Barrel                      5.90 %
    Port cards                  0.86 %

    Total                                       6.75 %

Spaceframe + Cables + Misc
    Spaceframe                  0.35 %
    Misc                        0.29 %
    Cables                      0.30 % per wedge

    Totals:
        Cable option 1:  cables exit both ends

            Middle barrel                       0.64 %
            End barrel                          1.23 %
            Beyond barrels                      1.18 %

        Cable option 2:  all cables exit one end

            Beyond far barrel                   0.00 %
            Far barrel                          0.93 %
            Middle barrel                       1.53 %
            Near barrel                         2.12 %
            Beyond near barrel                  2.07 %

Totals for all components

        Cable option 1:  cables exit both ends

            Middle barrel                       7.39 %
            End barrels                         7.98 %
            Beyond barrels                      1.18 %

        Cable option 2:  cables exit one end

            Beyond far barrel                   0.00 %
            Far barrel                          7.69 %
            Middle barrel                       8.28 %
            Near barrel                         8.87 %
            Beyond near barrel                  2.07 %