% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 121 51 75 16 47 65 69 76 21 115 84 133 384 499 495 397 272 323 254 272 161 197 229 179 215 208 193 123 128 184 197 203 207 154 119 198 87 163 109 106 108 141 95 164 173 52 109 107 136 191 97 151 114 132 78 136 65 112 23 113 58 74 68 130 101 76 53 47 49 54 13 90 81 -29 63 50 77 53 73 41 -17 19 59 -29 48 72 37 -18 54 21 20 52 44 -23 -6 15 43 22 30 37 27 -33 40 46 37 -9 -45 -20 -14 29 45 -8 -36 23 -23 -35 -33 42 37 -44 -23 -38 -20 -37 12 26 -9 -31