% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 64 Frequency Bands are 0.01562500 Hz wide(first frequency band is centered at 0.00830078) 118 55 43 75 211 500 1081 1236 1023 846 1095 777 816 748 757 632 476 418 435 419 311 292 254 235 277 216 210 229 194 164 200 177 159 162 179 130 127 134 111 118 88 82 99 67 63 60 60 46 41 41 60 33 -7 -28 -1 17 -44 -47 -22 39 38 -49 -32 -48