% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 204 107 120 75 70 62 50 57 89 176 147 265 305 289 241 202 180 119 118 120 135 82 100 77 116 96 114 80 132 118 56 61 64 44 32 40 55 47 57 68 56 60 57 49 75 79 65 59 71 70 48 78 85 58 32 67 38 45 67 55 43 84 60 62 40 94 102 -17 56 50 -15 74 50 53 66 36 40 60 -15 26 50 35 -15 29 30 48 51 36 -24 -20 53 5 37 14 26 39 7 -27 -26 22 -13 -15 30 -14 31 43 -25 -18 -19 -27 8 -30 31 -18 -31 -28 28 -18 -33 42 15 20 -34 23 39 13 -31 46