% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 103 56 82 64 47 37 52 45 198 185 278 227 422 374 169 114 239 140 187 130 73 84 101 69 75 92 81 28 43 52 45 15 47 58 35 21 54 33 30 26 32 23 20 18 -14 -17 -14 14 -15 -17 -15 -25 6 -29 2 -10 -12 -15 9 -20 16 -25 -22 -20 -27 -25 -29 -17 -23 -13 -24 -22 -21 -27 -21 -24 -17 -21 -8 -18 -12 -22 -16 18 -13 -16 -19 -9 -24 -17 -19 -5 -25 -15 -17 9 -6 -23 -17 -26 -20 24 -4 -8 -14 -20 -18 4 25 7 -15 0 -14 29 24 22 -14 4 31 15 -5 -17 9 -19 16 9 -7 8