% 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) 150 66 27 33 419 286 830 991 803 881 1173 1259 889 839 546 679 602 652 554 489 415 372 280 309 304 221 243 246 215 195 184 173 162 142 143 109 130 105 112 103 93 93 77 68 83 44 45 40 37 32 28 -11 11 -3 -25 24 19 -25 -32 -11 -23 17 -28 -25