C.T.I.O FILTERS
    HST "I" filter 4x4"
    R. Gonzalez Abril, 1995
    
     wl       %
    6600     0.49
    6650     0.76
    6700     0.55
    6750     0.74
    6800     0.71
    6850     0.88
    6900     1.35
    6950     3.66
    7000    20.48
    7050    65.90
    7100    73.24
    7150    78.27
    7200    87.76
    7250    93.42
    7300    93.03
    7350    88.80
    7400    87.14
    7450    86.87
    7500    89.34
    7550    92.17
    7600    94.65
    7650    95.52
    7700    96.77
    7750    96.48
    7800    95.69
    7850    96.99
    7900    94.88
    7950    94.94
    8000    95.03
    8050    95.66
    8100    96.60
    8150    98.12
    8200    98.73
    8250    98.27
    8300    98.22
    8350    97.84
    8400    98.15
    8450    98.17
    8500    97.60
    8550    96.92
    8600    95.74
    8650    94.39
    8700    93.52
    8750    92.49
    8800    92.25
    8850    92.70
    8900    93.26
    8950    94.16
    9000    94.87
    9050    95.99
    9100    97.18
    9150    97.08
    9200    97.31
    9250    97.36
    9300    96.51
    9350    94.61
    9400    91.65
    9450    85.82
    9500    74.73
    9550    59.30
    9600    41.73
    9650    26.62
    9700    15.45
    9750     8.89
    9800     5.27
    9850     3.00
    9900     1.80
    9950     0.90
   10000     0.48