% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 238 86 84 97 69 44 57 160 179 44 102 140 136 189 248 208 178 224 256 213 251 229 412 522 323 299 318 221 206 184 180 142 150 220 188 126 118 87 91 92 96 68 82 90 85 84 108 75 88 91 84 33 132 88 88 127 106 104 61 56 53 52 93 70 38 58 65 48 56 70 50 49 45 -20 33 31 -21 63 63 30 30 53 44 34 -33 24 36 43 -17 41 41 45 -28 -18 -32 54 12 -16 -22 27 26 70 -31 38 13 -18 -14 -21 -40 -30 -18 -26 25 -23 21 -41 -7 26 -38 -22 -27 -26 46 -28 -40 39 33 33