% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 97 143 134 148 181 86 84 190 229 225 438 430 294 285 440 279 352 329 144 174 156 186 92 88 123 110 103 82 73 103 67 14 70 27 19 -27 -6 -23 25 46 -42 -32 30 -23 30 28 -37 11 -28 -18 24 -23 -38 3 -27 42 73 44 38 18 70 70 90 68 89 78 36 82 59 56 77 75 19 26 70 70 -23 -13 69 28 66 31 43 64 37 54 22 32 2 29 26 53 75 -27 -20 -5 5 27 9 -16 -26 47 34 6 -34 -13 -29 27 -35 -19 39 -21 -37 -41 51 -21 -17 23 -36 37 35 -22 33 -42 -22 2 -37 35