% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide(first frequency band is centered at 0.00439453) 145 137 97 73 81 58 34 41 61 164 170 211 507 623 512 828 774 1235 1624 1196 1035 1189 1240 591 827 621 841 947 632 728 690 575 625 507 543 597 492 506 361 409 312 381 323 390 304 291 334 259 321 282 240 243 224 240 209 273 236 267 205 163 215 171 180 196 187 168 155 149 159 101 134 106 140 143 100 92 74 84 93 118 102 101 90 69 101 55 62 74 59 65 51 83 35 57 57 82 47 42 21 49 -19 -7 25 38 16 -14 -26 -19 33 -9 27 -45 32 48 -17 -19 -35 -18 -36 -38 20 -49 27 -21 -31 -37 -32 -20