% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 210 122 92 79 64 60 66 110 93 80 130 108 118 181 290 184 166 161 227 394 282 441 263 192 170 181 242 209 140 143 83 137 121 155 88 68 82 101 79 64 56 76 58 62 22 39 37 43 51 46 34 -7 58 31 14 15 40 16 5 21 -6 30 -5 -14 35 -16 23 -16 -30 17 -15 -16 9 11 3 26 28 20 39 -13 9 -19 20 20 -10 16 19 -26 -4 -15 -23 17 33 15 -21 -14 16 -29 26 20 -1 17 9 -12 -29 -22 12 11 -15 22 8 18 4 12 -23 9 15 -20 26 3 3 -11 15 -19 -19 7 7 -10