% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 336 118 121 93 94 65 90 131 113 211 187 207 230 429 559 541 280 192 177 170 91 169 115 155 101 118 108 115 78 93 106 105 47 65 86 80 57 50 62 54 63 39 44 54 23 54 17 15 45 -16 22 49 13 11 71 39 -35 -25 33 -6 -38 -23 -32 -23 22 -40 26 -13 -21 34 -23 45 20 32 13 58 30 3 -1 -27 38 18 29 -16 38 11 20 33 33 30 13 -10 7 13 -35 -12 40 -36 26 55 -8 32 -39 -40 15 23 19 -35 -14 3 -14 -25 -32 -19 -33 16 -22 26 28 -13 -30 -23 43 -37 42 -41 23 45