% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 55 45 82 33 37 -21 -9 47 39 94 85 113 186 171 214 201 155 156 127 110 82 103 55 68 27 46 40 71 -23 54 49 11 -15 19 -28 -32 22 30 -40 -18 23 -19 -13 -25 33 7 29 40 26 31 58 74 56 34 58 44 41 67 39 37 38 49 42 12 69 34 49 48 -27 29 53 36 19 43 -22 -23 32 41 22 44 26 27 43 12 -24 13 31 17 50 -7 25 -10 -24 -32 6 -31 10 -29 -23 16 -30 36 25 -28 -4 46 12 -18 17 35 -16 -22 -24 -27 26 35 11 40 9 -11 -24 -26 -37 -9 39 -29 -30 20