% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 126 73 78 25 66 53 24 60 86 77 141 245 318 446 802 463 583 348 259 193 162 150 149 91 140 120 44 71 24 52 36 39 21 -32 15 -12 -21 26 -20 -34 -39 -16 -18 -24 -34 -33 -31 -31 -37 -38 -27 -7 -35 -29 -7 -10 -19 9 -2 41 -27 -11 19 47 63 84 57 41 53 97 88 51 90 78 67 79 42 66 63 35 -11 58 27 33 25 46 17 35 38 38 48 -31 42 24 34 -20 39 55 24 16 26 37 23 -27 -25 -1 14 -2 33 33 -37 -16 15 -17 -33 16 -14 -30 14 23 -25 -34 -3 -27 -22 -6 -27 -20