# K (broad) filter, central wvl. 2.17mum, FWHM=0.38mum (lin. interpol.)
# Barr Assoc. trace dated 26Oct94, at 77K,  meas.(WT) 9Jan98.
# http://www.barrassociates.com/ 
#    #   w-length   w-number    transmission
#         (mum)     (10^4/cm)     (%)
     1    1.7857     0.5600       0.00
     2    1.7937     0.5575       0.00
     3    1.8018     0.5550       0.01
     4    1.8100     0.5525       0.05
     5    1.8182     0.5500       0.09
     6    1.8265     0.5475       0.17
     7    1.8349     0.5450       0.25
     8    1.8433     0.5425       0.32
     9    1.8519     0.5400       0.36
    10    1.8605     0.5375       0.40
    11    1.8692     0.5350       0.49
    12    1.8779     0.5325       0.58
    13    1.8868     0.5300       0.77
    14    1.8957     0.5275       0.99
    15    1.9048     0.5250       1.32
    16    1.9139     0.5225       1.73
    17    1.9231     0.5200       2.36
    18    1.9324     0.5175       3.43
    19    1.9417     0.5150       4.91
    20    1.9512     0.5125       8.19
    21    1.9608     0.5100      11.87
    22    1.9704     0.5075      20.12
    23    1.9802     0.5050      28.44
    24    1.9876     0.5031      37.63
    25    1.9900     0.5025      40.57
    26    2.0000     0.5000      52.70
    27    2.0101     0.4975      60.43
    28    2.0202     0.4950      68.05
    29    2.0305     0.4925      70.47
    30    2.0408     0.4900      72.74
    31    2.0513     0.4875      73.27
    32    2.0619     0.4850      73.77
    33    2.0725     0.4825      74.20
    34    2.0833     0.4800      74.60
    35    2.0942     0.4775      74.93
    36    2.1053     0.4750      75.15
    37    2.1164     0.4725      75.26
    38    2.1277     0.4700      75.18
    39    2.1390     0.4675      75.01
    40    2.1505     0.4650      74.68
    41    2.1622     0.4625      74.29
    42    2.1739     0.4600      73.70
    43    2.1858     0.4575      73.20
    44    2.1978     0.4550      72.78
    45    2.2099     0.4525      72.30
    46    2.2222     0.4500      71.81
    47    2.2346     0.4475      71.31
    48    2.2472     0.4450      70.81
    49    2.2599     0.4425      70.30
    50    2.2727     0.4400      69.79
    51    2.2857     0.4375      69.41
    52    2.2989     0.4350      69.22
    53    2.3121     0.4325      69.20
    54    2.3256     0.4300      68.08
    55    2.3392     0.4275      65.36
    56    2.3529     0.4250      52.22
    57    2.3657     0.4227      37.63
    58    2.3669     0.4225      36.23
    59    2.3810     0.4200      18.62
    60    2.3952     0.4175      10.06
    61    2.4096     0.4150       4.88
    62    2.4242     0.4125       2.10
    63    2.4390     0.4100       1.07
    64    2.4540     0.4075       0.58
    65    2.4691     0.4050       0.31
    66    2.4845     0.4025       0.16
    67    2.5000     0.4000       0.00