% 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 51 -33 94 138 541 693 459 283 258 321 287 207 214 172 157 169 187 220 278 289 201 254 236 199 221 221 190 155 159 142 129 142 115 127 125 98 116 98 71 83 67 69 49 73 67 52 -31 -15 50 30 34 -9 -36 -30 18 -9 -15 43 -32 -26 -7 21 -25