% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 97 86 57 68 42 6 57 57 -18 30 111 88 134 257 764 602 620 482 296 425 417 224 264 204 220 124 181 133 223 196 56 144 142 98 160 134 99 71 103 124 88 111 125 142 154 78 135 183 122 136 74 96 94 184 112 144 113 87 94 104 91 106 109 112 101 140 110 73 91 105 109 24 129 63 105 36 79 47 80 57 36 90 41 28 27 49 60 36 54 18 22 -15 35 4 21 -33 24 36 35 27 -8 -10 6 -23 34 -14 -32 34 -26 31 -19 25 -14 -18 -28 9 19 -23 12 -17 -10 6 -19 -26 -27 -20 -11 -22