% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 333 131 74 73 123 116 75 85 131 331 203 181 279 368 386 329 258 329 230 199 207 255 281 305 269 251 111 210 129 119 98 105 135 69 113 123 76 98 38 84 88 63 82 67 57 51 75 57 44 53 37 58 78 60 49 66 59 40 80 54 81 65 94 22 68 66 63 -4 31 25 17 22 69 13 28 17 33 31 -23 68 30 -11 22 40 18 37 -33 29 30 -31 28 17 19 -30 -15 -37 41 -30 -47 -15 -6 31 -28 -16 -25 -15 -28 -33 23 35 -11 31 25 29 -29 42 40 46 -27 -14 16 -31 -48 25 38 -10 2 22