% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 284 102 80 92 27 95 86 78 148 156 157 186 282 187 235 295 299 160 193 220 192 136 169 288 136 184 141 157 138 134 139 163 170 115 132 106 107 163 117 99 137 75 93 82 108 70 134 90 125 90 91 106 112 138 126 97 127 85 63 143 108 105 69 92 70 71 64 66 91 79 55 57 68 76 31 67 34 31 49 47 39 50 49 51 16 33 -36 -10 28 32 26 31 37 -13 6 16 18 -17 -11 46 37 20 13 -30 12 15 32 29 -23 -41 -27 11 -19 -22 44 -14 25 -30 -22 -26 -36 -22 -31 -33 -9 37 2 28