% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 241 147 69 108 122 -35 90 55 102 209 429 458 278 461 200 317 316 370 292 275 157 191 230 226 292 113 170 199 137 116 127 170 138 101 144 96 129 83 34 86 112 94 -29 121 108 60 43 -9 106 70 -37 88 17 -35 -38 42 32 36 -23 -31 55 30 -25 35 50 -18 84 33 68 -40 65 59 -29 -17 63 49 -47 -24 -9 32 30 88 -42 57 33 -45 71 44 17 44 54 -37 73 8 60 -53 60 -33 -27 -8 33 -54 -13 52 48 27 -55 39 -29 32 45 1 -27 -15 20 6 -48 -8 -17 35 40 52 25 -40 -37 50 -19 -20