% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 794 409 327 317 152 108 143 142 171 166 432 790 759 497 404 550 481 396 604 217 283 346 317 308 509 343 464 300 292 285 126 172 181 191 132 167 174 184 145 153 62 97 -58 80 89 156 122 74 40 26 33 -77 -15 -73 -53 -41 127 42 89 143 76 -26 -96 -58 103 53 33 62 -92 73 82 64 108 -35 -94 37 -55 -62 -47 -71 33 -60 -61 -79 97 -75 -99 38 -85 100 57 80 61 -35 -55 49 -104 14 77 91 91 91 32 -60 -91 -118 -75 -66 -50 21 100 -100 16 -37 -81 -76 46 153 86 119 -53 -69 83 -87 -82 -53 64 -69