% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 85 39 49 24 63 67 85 100 86 87 113 136 196 199 217 173 267 216 200 113 -25 -16 72 49 62 -22 -11 -21 -37 -5 -24 -38 11 -12 -23 -29 -30 37 40 53 104 99 100 144 153 164 137 117 107 95 78 100 94 129 76 79 94 90 35 90 99 65 49 35 59 32 41 13 -21 31 34 15 48 27 -25 26 37 -4 -35 -23 -33 -42 -33 -32 17 -5 2 -28 -21 -33 -22 -29 -24 -26 -39 -45 -22 -29 29 -2 -32 -31 -39 -31 -41 15 32 15 -23 -28 -5 -28 39 36 -22 46 -33 32 17 20 24 25 30 14 28 25 -26 -28