% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 103 56 57 62 85 -25 -24 118 103 150 203 436 313 226 214 176 261 113 183 198 225 285 204 140 220 249 167 137 91 87 53 75 42 92 106 28 54 31 31 -3 11 27 -24 -21 -38 -38 -40 -32 25 -16 -47 -44 -50 -39 -40 -56 -40 -41 -46 -42 -37 -36 -19 -29 -27 -38 9 16 -15 -39 -8 -42 -40 -41 -32 -24 -40 -31 -37 -47 -45 -42 22 -31 4 -23 29 -14 -11 -28 -23 -29 -20 -18 52 -19 38 34 -34 -35 -18 -8 -29 24 29 -21 31 48 -31 27 -33 -18 -28 28 -26 22 -11 -42 -30 -24 34 19 -33 48 8 34 -24 29