% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 313 199 139 143 128 -46 167 272 526 284 246 276 624 522 351 287 293 277 228 313 238 228 197 181 203 232 179 179 150 134 89 181 102 93 102 87 96 62 59 -68 84 -10 -18 -30 33 48 -66 34 109 -48 -28 106 12 33 29 -20 -63 -25 -83 160 -78 98 -80 -80 89 61 -53 42 -111 -77 -65 67 -70 -1 24 99 139 -22 69 103 -34 42 -46 -35 -49 -56 -59 113 134 -70 36 -84 86 -74 22 104 -45 97 141 -86 -30 87 -96 -10 -14 -86 -62 40 -31 -60 67 59 54 77 -45 56 38 -47 -55 -60 75 60 -100 72 51 -7 -107 -74