% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 262 202 107 99 99 78 85 144 135 141 104 97 100 109 119 132 242 316 195 187 201 189 408 259 266 306 159 232 174 216 163 114 121 130 143 118 119 73 73 67 128 116 104 77 97 112 109 95 125 105 115 111 61 78 83 65 55 87 60 79 71 34 63 49 56 63 54 36 29 55 55 35 54 41 64 -24 40 45 -14 32 28 -24 38 44 -25 46 18 47 -16 -38 17 -37 -32 -30 -37 -22 30 15 13 22 -10 26 31 3 24 10 -12 -38 -30 -33 -19 -14 -16 22 19 21 -29 -24 -14 18 11 -20 11 13 -28 -17 24 29