% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 378 260 208 109 214 153 164 81 205 344 163 171 239 248 237 320 269 307 186 213 263 188 140 163 205 226 171 143 67 141 165 149 90 135 54 167 72 60 -65 45 -21 -31 79 14 79 -42 41 -66 -33 68 -49 18 -75 -19 144 114 -65 -96 -19 -79 -64 76 -70 -103 -69 -95 50 -32 -63 -45 -84 -94 24 86 -40 -73 -64 -75 82 70 41 37 -23 -65 19 -95 34 91 121 -57 -49 13 -48 -54 -59 -60 -63 45 37 53 95 -59 25 23 -40 -70 -68 19 -33 -86 46 -71 45 105 52 12 105 69 -84 -63 45 29 93 -22 -66 -64 57 -80