% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 281 169 178 112 121 79 61 87 63 90 100 143 119 199 216 164 294 259 267 199 206 174 126 121 62 73 60 118 41 44 90 47 43 78 77 95 51 43 83 47 77 40 -26 22 43 -22 -39 28 82 41 38 57 -12 51 -33 40 88 -34 10 -35 23 48 66 -29 41 31 93 42 72 -22 52 26 17 82 59 23 -34 -48 -26 -35 -47 48 94 21 24 59 29 -33 30 -31 -19 -29 49 -48 19 8 -38 -34 38 12 -17 30 20 -35 57 -36 -39 55 7 -44 -22 -33 -42 -26 22 32 -20 -40 42 49 -46 33 50 -30 5 -14 32 -43