% 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) 75 80 57 52 132 208 289 409 479 601 1289 1080 1059 1008 691 628 625 549 417 437 449 348 306 301 234 233 268 224 187 155 164 140 152 174 130 118 114 117 102 85 70 94 63 83 47 50 65 40 55 42 53 24 -28 -36 -30 -20 -18 14 20 -33 -36 8 -11 -31