% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 132 73 108 111 105 62 71 82 175 205 364 637 601 412 255 212 166 180 134 190 123 174 81 154 109 74 90 63 93 46 65 42 37 56 40 29 20 22 45 24 23 32 37 9 -22 19 -18 -16 22 -22 -24 -25 -16 -2 -14 -17 -11 -22 -29 -8 -20 -31 -25 -27 -5 -30 -24 -17 -20 -29 -17 -20 -21 -27 -23 -21 -30 -29 -14 -17 -28 -28 -22 -19 -22 -27 7 18 -25 -25 -8 22 -20 -9 -25 -24 -12 -22 -10 -23 -9 11 -19 -21 8 -19 -15 33 -25 -8 -15 -3 -1 12 -3 16 34 -20 2 -7 30 -24 21 6 16 23 14 12