% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 211 83 94 77 54 55 64 55 115 140 97 89 179 178 268 162 203 137 162 146 280 283 233 241 173 152 134 87 83 83 55 37 55 57 63 58 51 70 49 68 46 57 33 64 55 50 51 49 45 59 56 29 43 39 37 44 44 34 33 22 -17 40 -3 -22 44 45 37 47 -11 -27 33 30 -14 31 -16 20 35 -28 37 36 26 24 30 32 23 31 16 26 -11 28 44 27 24 23 26 -5 -25 -24 31 7 7 29 -22 31 17 -28 3 30 15 -23 -21 -28 -32 41 -8 19 21 -24 -25 9 -14 -13 24 -21 8 35 3 -26