% 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) 150 110 104 77 70 93 18 55 153 502 1372 1220 807 1304 1392 1338 1531 970 1101 933 828 685 974 961 755 735 1155 763 693 589 708 656 622 633 591 440 421 543 485 394 394 394 336 360 274 319 261 318 309 286 320 189 208 231 246 217 227 222 198 228 192 152 184 134 118 127 145 148 141 157 143 129 120 127 118 138 106 93 119 103 103 110 119 57 77 69 94 61 65 66 48 50 74 42 59 43 44 54 32 61 26 54 24 38 -22 -30 -9 -14 -15 34 -31 17 40 28 -42 -36 -35 -27 34 19 -35 -6 -48 -15 12 11 -32 -55