% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 110 44 59 66 -14 25 70 63 37 66 88 277 131 229 220 204 326 233 157 82 66 38 82 43 -7 23 50 -37 -15 -25 25 -14 11 -10 50 -16 26 41 -28 28 36 41 77 74 78 167 144 117 171 119 109 85 137 137 116 150 80 123 51 84 83 109 97 42 89 49 74 57 48 73 40 82 53 76 47 50 45 43 72 45 60 67 52 29 -33 24 -2 26 -23 -22 46 27 15 30 7 -27 34 -31 -26 -23 -32 9 14 49 24 5 21 -27 -15 49 8 -7 42 -24 16 -1 8 28 -33 -29 -28 20 -35 -15 13 17 -13 11