% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 335 96 75 98 90 105 72 123 180 154 158 352 368 204 296 212 244 177 280 238 165 245 292 244 213 190 248 236 202 255 191 171 179 175 202 141 158 123 166 147 114 106 110 57 138 101 98 102 86 76 91 100 64 90 78 77 72 42 48 46 60 34 38 48 53 78 63 11 47 37 50 36 23 33 32 29 45 28 32 -17 21 -31 37 35 24 40 -34 -14 9 -28 14 58 21 20 18 11 28 16 35 -27 8 6 23 37 28 38 1 15 -36 -18 34 19 -28 24 -19 37 -42 -19 -19 -19 -16 -6 33 -27 4 -30 10 -32