% 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) 76 64 57 79 154 214 545 1288 583 690 420 476 327 341 302 341 427 404 306 313 366 332 306 271 246 204 185 190 165 190 140 138 127 116 97 107 75 97 76 94 68 68 76 58 56 50 33 31 34 22 16 30 -10 11 -10 -27 -17 -17 22 -22 -21 -22 -9 -19