% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 653 273 180 191 101 81 86 173 181 253 191 317 172 591 310 197 494 307 305 147 324 221 257 188 156 169 129 226 141 113 116 104 156 122 143 101 128 46 141 32 70 -33 8 105 65 85 125 -50 -50 -92 60 17 -95 -58 -88 -44 -78 -89 -63 118 -38 10 110 28 53 -16 53 -71 -77 -84 -89 -87 -95 -90 -29 -89 52 22 32 68 -88 -14 -79 -70 -77 -86 -108 -92 36 48 -55 -78 17 -73 27 -87 -24 85 -78 -57 -68 -57 43 -36 -51 -81 -39 102 9 26 -70 74 5 76 -57 72 42 32 -54 -78 108 45 -25 -66 -65 39 62 -28