% 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) 101 89 90 54 180 753 1371 1249 1008 1085 692 744 582 507 540 451 354 392 292 315 250 214 202 168 197 175 190 163 140 127 115 136 114 125 122 117 105 107 93 68 94 79 52 42 67 54 62 58 39 -12 -10 16 14 -14 -9 33 -15 9 -8 8 -12 -42 -27 17