% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 99 97 154 144 46 94 65 66 77 166 131 211 409 511 463 735 816 515 519 260 286 228 237 294 157 231 210 139 95 126 100 93 100 93 54 95 21 64 38 41 -20 57 49 51 49 40 20 31 57 31 23 40 70 38 35 49 33 30 39 -15 37 48 36 42 37 30 51 43 23 35 28 -30 -28 -23 -19 35 27 12 -14 18 -19 -23 -16 -35 -31 18 23 -37 26 21 -16 -15 26 -35 29 28 -16 -33 -22 19 32 31 29 10 8 43 -31 14 -31 -37 29 -18 12 -15 17 -30 -15 -28 24 14 34 35 25 -24 -31 -13 8 -10