% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 190 105 114 137 90 126 91 76 138 214 206 264 255 555 413 241 255 363 215 359 161 315 189 149 199 332 201 209 142 225 198 185 169 148 150 138 140 122 167 121 86 103 136 84 81 76 108 72 96 69 69 94 46 56 36 79 70 95 105 69 52 44 66 57 -26 34 35 53 36 -15 48 0 12 55 40 -12 -34 51 -28 38 5 23 49 44 -44 28 8 -31 -14 -14 -31 -20 -44 -34 -33 -12 63 20 11 -23 -38 14 31 24 -26 75 31 44 -41 43 -15 4 29 -41 44 21 18 -22 24 -21 -38 28 26 17 -32 -36 28 -14