% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 126 58 78 80 46 67 51 69 96 79 148 143 144 316 206 426 511 702 425 511 290 306 308 236 175 129 133 102 158 88 65 93 50 51 68 60 53 18 37 29 47 15 -34 10 -6 -29 -24 -31 -30 -10 6 -14 -30 -20 -33 -34 -25 -20 25 -31 -32 -28 -33 -20 -30 -31 -31 13 -33 -33 -37 -31 -26 -35 -26 -32 -24 -31 -35 -38 -24 -34 -29 -26 -37 -34 -19 -31 -33 -18 -29 -29 -31 -28 -31 8 13 -34 -19 -23 -36 5 10 -32 -29 -26 -14 30 -22 33 37 19 12 8 17 28 -16 20 -9 -31 37 -18 -17 -15 21 25 21 11