% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 188 99 63 86 34 47 50 40 108 115 147 388 454 392 219 196 205 178 114 106 125 97 89 62 122 115 67 137 93 47 63 72 63 44 63 -6 63 21 45 65 19 46 63 38 -22 21 18 47 -16 24 43 34 -13 -20 22 -4 75 35 47 43 28 6 50 65 49 46 27 40 64 54 36 -23 77 61 37 36 43 11 -28 -10 57 -13 40 -11 16 -30 21 -38 -27 11 40 -19 24 37 -15 -26 -23 8 -22 34 21 -14 -25 23 12 -27 -15 32 11 -33 23 22 -17 -20 -28 24 20 21 -12 24 -31 25 -25 -31 -14 24 23 44