% 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) 85 44 51 71 99 183 321 320 473 1152 969 613 560 413 413 267 253 279 225 247 239 205 199 215 182 169 178 194 156 172 172 150 175 122 111 108 124 110 95 99 76 85 86 68 54 69 53 43 41 16 21 45 20 14 23 -12 -38 -22 21 -38 -8 -8 -33 -34