% 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) 68 18 39 37 148 229 609 451 401 395 502 685 538 433 333 348 290 222 259 233 181 192 172 162 147 141 119 121 106 104 105 87 76 63 42 60 81 44 53 50 26 75 47 74 62 61 23 46 57 31 31 31 23 27 -30 -16 -33 -9 9 -32 -42 -34 -23 -27