% 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) 112 89 68 55 253 153 196 236 448 858 895 792 555 531 402 476 331 428 420 331 316 296 227 281 263 246 252 236 200 191 150 176 146 151 159 138 111 111 77 104 89 93 92 99 70 64 39 26 61 35 25 -22 -46 -12 28 -30 -43 25 -23 -3 -1 7 14 21