% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 64 36 87 54 -41 53 28 -38 134 217 125 126 224 342 251 177 286 215 136 195 184 127 128 90 64 97 79 22 40 -44 48 -37 -33 -26 -48 -23 15 -57 12 -16 21 -48 42 -11 -44 -39 -35 17 79 86 122 104 103 97 82 84 119 159 186 94 83 70 111 113 106 79 81 48 63 -35 41 82 38 66 -36 54 23 -20 25 26 -24 51 34 53 42 -45 21 -14 8 28 45 47 -18 39 37 -57 34 49 62 74 16 -35 -36 -50 -48 45 -46 -23 34 14 -8 43 19 45 44 -40 2 -24 -40 -29 -42 13 5 48 37 -62 10 -42