% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 106 75 128 114 49 57 47 64 122 147 127 199 277 212 162 228 309 415 462 1062 943 680 403 513 363 317 316 328 196 179 276 297 151 164 185 156 191 184 156 135 118 109 81 77 83 82 60 62 56 59 52 45 49 39 40 41 63 28 22 44 27 55 59 -6 35 40 21 40 21 37 36 46 34 54 36 29 42 42 33 50 27 29 36 41 36 40 30 29 -5 25 11 -10 0 -5 -9 22 20 -24 -15 41 13 32 10 8 34 -28 37 -15 30 -3 -15 -11 7 -17 18 5 -18 -24 6 12 18 -14 -30 17 -12 -28 -22 -22