% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 119 109 96 94 55 40 46 32 97 105 162 301 352 422 277 301 142 180 187 110 99 -25 76 70 76 58 43 87 50 74 55 131 145 72 -26 -29 -25 -31 -8 25 -42 -31 21 20 9 17 24 -26 -23 -29 38 -35 -34 -11 -23 -37 -39 34 36 -42 55 37 39 16 13 45 38 24 42 58 30 68 26 50 33 23 23 -29 20 23 -7 33 16 3 11 11 -7 33 -25 -20 33 17 -21 -31 -24 -17 36 -33 22 15 -23 -19 -10 24 -16 38 -3 25 14 -29 -31 -11 18 -22 17 35 28 16 -29 24 -41 -35 -46 -43 28 27 49 17