% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 135 83 55 83 76 47 49 69 96 196 197 355 554 233 228 210 164 152 191 140 141 88 101 119 136 90 93 62 71 67 74 44 45 54 33 56 64 12 37 37 26 28 46 17 18 24 16 8 25 -7 -25 -9 32 6 25 -18 14 2 -7 -13 -20 15 8 16 -20 -19 -13 24 -19 16 -13 -21 14 -25 -12 21 -20 -13 29 21 12 30 -7 -19 -11 -13 4 10 -18 -26 10 -22 -17 14 18 -23 -15 14 -20 -16 -16 15 -11 -21 23 16 16 12 -23 26 13 -10 15 -9 19 10 22 -11 -8 25 -8 -12 -12 -20 -16 -20 -3 -13