% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 145 142 83 48 73 44 16 98 67 30 49 95 155 267 366 449 529 616 560 446 350 257 282 249 239 227 116 145 133 78 108 68 65 68 74 59 41 -14 -41 -37 -16 19 -17 15 -30 11 -38 -38 -27 -41 -16 -15 37 63 39 58 65 71 96 105 107 126 177 132 131 168 205 135 109 113 121 77 119 86 113 78 63 83 82 66 105 54 56 -3 54 32 34 56 57 -17 23 41 52 59 -36 -32 43 32 55 -13 52 29 -28 -10 23 14 -32 7 -19 -8 11 -33 39 -38 16 -32 -31 -15 -35 23 -17 -19 -28 19 -34 -32 27 17