n # Pb      travel-time (and amplitude) tables
6    # number of depth samples
    0.00    5.00   10.00   15.00   25.00   34.95
17    # number of distance samples
    0.00    0.50    1.00    1.50    2.00    2.50    3.00    3.50    4.00    4.50
    5.00    5.50    6.00    6.50    7.00    7.50    8.00
# Travel-time/amplitude for z =    0.00
      -1.000
      -1.000
      20.119
      28.645
      37.171
      45.697
      54.222
      62.747
      71.270
      79.793
      88.314
      96.834
     105.352
     113.869
     122.383
     130.896
     139.406
# Travel-time/amplitude for z =    5.00
      -1.000
      -1.000
      19.792
      28.319
      36.845
      45.371
      53.896
      62.420
      70.943
      79.466
      87.987
      96.506
     105.024
     113.541
     122.055
     130.567
     139.078
# Travel-time/amplitude for z =   10.00
      -1.000
      -1.000
      19.400
      27.926
      36.453
      44.978
      53.503
      62.027
      70.551
      79.073
      87.594
      96.113
     104.631
     113.147
     121.661
     130.173
     138.682
# Travel-time/amplitude for z =   15.00
      -1.000
      10.482
      19.009
      27.535
      36.061
      44.587
      53.112
      61.636
      70.159
      78.681
      87.201
      95.721
     104.238
     112.754
     121.267
     129.779
     138.288
# Travel-time/amplitude for z =   25.00
       4.218
      10.198
      18.642
      27.153
      35.671
      44.191
      52.711
      61.230
      69.749
      78.267
      86.783
      95.298
     103.812
     112.323
     120.833
     129.341
      -1.000
# Travel-time/amplitude for z =   35.00
       5.748
      10.719
      18.861
      27.262
      35.732
      44.226
      52.727
      61.232
      69.738
      78.244
      -1.000
      -1.000
      -1.000
      -1.000
      -1.000
      -1.000
      -1.000