% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
     427
     515
     600
     565
     336
     568
    1274
    1678
    2709
    1494
     838
     631
     955
     732
     503
    1219
     940
     962
     840
     696
     819
     518
     320
     389
     379
     392
     375
     287
     361
     301
     205
     299
     233
     192
     180
     172
     193
     145
     137
      30
     132
     161
     109
      99
     121
     104
      73
      74
      90
      92
      95
      80
      84
     100
      76
      92
      53
      38
      83
      72
      49
      63
      37
      81
      47
      80
      38
      69
      77
      97
      39
      44
      32
      74
      97
      61
      49
      62
      46
      75
      25
      68
      41
     -36
      61
      69
      27
     -23
      40
      76
      43
      38
     -29
      17
     -19
     -26
      29
      36
     -12
      70
      40
      59
     -22
      22
      13
      19
      38
     -50
      49
     -25
     -10
     -44
     -25
      35
     -19
     -40
     -21
     -11
     -45
     -23
     -45
      18
       2
      15
     -19
     -32
      11
     -41