% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 210 153 113 108 84 43 28 99 46 218 263 526 928 2193 1262 1514 1165 593 744 466 755 266 415 242 218 303 215 378 233 291 144 133 120 234 190 98 106 142 93 52 54 58 38 64 28 -32 35 34 19 50 23 28 46 -43 31 -32 20 46 -31 -36 39 32 -33 -44 -37 -15 -27 10 -46 -17 -17 5 -23 -34 18 20 -17 33 -16 -11 -23 21 -13 6 52 28 -21 -23 -20 29 28 46 -24 9 -43 27 -2 -20 59 57 -27 44 14 43 -28 21 -35 -12 -41 -29 -13 27 -26 -12 48 23 -38 24 -15 -25 -10 -46 -34 -30 -19 9 -47 41