% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 119 62 59 56 -16 15 64 114 116 133 184 159 283 462 363 358 217 140 154 79 77 50 70 96 56 36 31 66 66 52 35 -36 -39 -27 -40 -41 -45 -39 -42 -44 -45 -39 -43 -41 -41 -41 -39 -45 -39 -39 -49 -47 -40 -32 -36 -14 47 29 -17 -31 38 63 43 44 65 23 35 56 47 76 75 39 50 76 -10 22 66 103 53 36 43 47 62 37 42 24 15 -7 24 19 -18 40 51 49 13 -9 -19 -34 -16 11 -19 -5 -27 -34 11 6 11 21 -20 3 -19 -20 19 40 42 33 -30 -32 -21 33 42 -30 14 15 -8 -40 33 -14