% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 100 36 88 55 35 41 122 194 232 89 143 146 230 136 156 163 203 171 92 129 224 413 407 822 621 555 473 308 425 214 216 130 182 123 56 117 83 70 80 49 46 47 53 47 53 49 41 16 59 55 29 30 30 -13 -24 -8 24 -30 24 -31 -31 -16 -26 -32 16 -24 -23 -10 -43 -33 -36 -30 -32 -20 -37 -10 -26 -25 -31 -22 -36 -21 -38 24 -35 -35 -33 13 -26 -30 -34 -31 -29 -41 -32 -20 -25 -27 -30 -32 -22 -42 17 -21 -33 -24 -22 33 -20 38 27 -34 -27 30 -26 -21 23 -31 22 22 15 38 28 37 13 41 25 31