% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 33 69 55 59 89 23 70 66 68 127 117 309 273 190 193 377 312 374 286 388 154 106 232 294 134 206 133 106 135 95 134 88 137 86 54 55 67 58 60 81 59 92 88 110 82 94 82 84 195 97 135 100 148 104 90 105 103 99 56 47 11 55 55 39 66 27 45 75 23 30 54 5 16 36 18 57 5 -20 32 -15 -29 44 18 19 -27 24 -7 -26 -25 24 -17 17 -9 25 -22 13 -24 -23 40 42 -17 -31 -15 21 22 -38 -34 28 -25 16 -41 25 19 -13 -20 -22 21 19 25 40 -32 31 -31 34 27 -18 -36 -21