% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 346 146 133 164 166 69 58 42 57 127 135 307 542 675 1252 785 488 574 311 396 549 405 334 515 373 199 232 204 198 94 126 206 129 111 91 85 96 93 57 61 32 60 25 45 31 49 56 12 40 46 45 31 64 36 65 77 60 54 56 35 31 55 22 45 32 -33 -27 37 36 25 -28 -38 -31 31 -32 24 -33 -22 -26 30 25 -9 39 -22 7 -26 -11 -11 -29 -28 18 27 -44 17 -28 -33 28 4 -23 -32 -8 21 -12 24 -24 17 -31 -22 -17 -23 -22 -35 -34 27 40 -31 17 30 7 -28 59 41 25 17 -8 -29 14 27