% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 463 146 164 123 120 112 102 108 115 155 152 108 222 322 457 458 264 239 247 149 177 96 105 95 80 115 95 107 99 115 116 88 86 89 84 71 100 68 73 82 82 88 62 75 75 55 90 65 72 89 96 64 66 80 70 73 85 77 58 72 69 59 88 66 84 79 23 31 76 70 55 37 24 54 60 82 40 53 46 30 22 39 45 -27 53 48 44 57 21 60 48 41 17 -31 -26 -4 25 15 10 -23 10 41 -13 -22 24 6 -10 36 22 27 -19 9 -39 12 -32 -23 21 -32 31 14 -32 -34 -27 29 -6 -27 16 22