% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 213 127 70 130 78 59 94 73 127 157 290 406 364 328 287 385 261 341 237 249 233 202 199 141 225 134 121 159 142 178 92 139 86 53 129 114 95 45 88 75 70 54 50 78 45 93 52 14 24 -20 55 77 68 62 82 31 51 58 92 77 24 110 48 76 15 45 50 38 70 -18 10 -7 54 35 -22 44 31 -24 -15 27 -21 -12 -20 29 43 22 -18 23 39 -26 -40 -44 -32 -33 -33 -21 -14 -25 -30 -36 -16 32 26 -6 -27 30 26 28 19 -25 -32 40 -4 -26 -18 30 -26 -21 -29 40 -34 -8 42 3 41 37 -36 -30