% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 205 202 110 112 113 104 77 61 93 192 127 179 127 157 217 193 162 160 133 163 153 141 158 165 188 313 291 349 360 218 186 212 145 86 227 107 50 40 40 89 -56 -56 -51 62 -74 -35 58 -67 22 -67 -8 -39 -61 -39 -39 -43 -61 -61 -35 -67 -68 29 -51 39 -64 -25 -79 -36 20 -81 -80 -38 -25 -79 -49 -89 -84 -70 -59 -52 -90 -89 -77 -76 -86 -37 -76 -77 -76 -48 -71 -79 -31 -45 -85 -78 -16 -33 -78 -83 -45 41 61 -84 -78 -51 -72 -53 69 -51 -47 -55 92 70 35 -50 -37 -40 -39 19 -47 8 73 125 50 11 22 93