% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 130 44 62 66 49 59 89 55 171 210 291 352 286 279 228 221 342 429 268 205 220 315 253 173 179 135 163 167 160 111 129 146 91 86 82 29 80 64 69 43 13 37 24 27 35 24 37 27 -21 -35 -35 -32 -20 23 -20 -34 -34 -15 -31 -25 -35 -34 -39 -39 -10 -36 -22 -30 -31 -39 -20 -26 -31 -29 -38 -31 -33 -26 5 -38 -22 -31 -28 -29 -26 -25 -20 -24 -32 -27 -35 -27 14 -14 19 -34 -34 -38 -11 -25 -32 -33 -31 35 29 43 -18 -21 32 -12 -27 22 31 39 -11 -28 27 30 36 -26 30 -26 -11 -7 -21 -30 26 -17