% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 65 36 38 39 -34 32 62 130 129 127 91 151 158 260 296 472 368 288 360 563 648 557 382 349 280 301 310 286 179 141 166 133 123 140 101 91 118 44 75 -28 23 103 60 11 34 47 -34 -19 -30 13 -26 -31 -44 -24 -40 -35 -26 -45 -41 -33 -36 -29 3 -44 -45 -44 39 -16 14 29 13 66 -29 -41 41 -30 -36 -13 -43 7 -29 -15 38 22 21 59 46 41 29 25 40 10 -28 30 14 -2 57 63 15 2 -16 26 -30 -21 -13 14 21 -10 -19 -23 -29 -20 24 33 -7 17 -32 -19 40 -19 -25 -47 -7 -46 27 -29 -26 -21