% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 114 73 89 87 9 45 60 51 96 242 175 282 223 389 456 301 300 207 285 172 135 135 72 116 83 67 59 52 87 98 46 61 -2 39 93 31 36 37 73 58 113 69 52 67 132 85 172 165 98 116 39 116 80 63 70 90 78 117 97 57 45 29 49 36 23 26 81 67 19 64 38 -6 26 54 52 26 18 42 20 50 32 33 42 17 20 -28 -22 -40 13 20 -26 29 -30 -18 -27 8 -13 14 25 34 -31 -35 31 -17 -18 29 41 -31 -21 28 32 -34 -13 -30 -17 32 -29 35 -38 -16 20 -31 24 -34 21 -16 -19 35