% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 365 127 100 74 38 43 67 111 89 156 215 168 544 416 379 277 286 112 142 157 56 67 107 136 83 189 134 140 179 164 157 128 58 110 77 63 49 9 69 71 24 -35 75 67 51 -23 -23 51 66 79 87 112 40 62 -8 -14 24 23 49 -35 -45 -45 76 -22 54 16 -22 48 -24 -34 48 22 31 -47 -27 38 42 -24 -36 41 -36 51 39 77 36 45 54 93 62 41 -12 37 53 9 39 22 -9 57 -25 61 17 51 40 -34 -23 77 28 16 -17 -42 -46 -32 -18 -34 -33 -24 13 -22 12 44 -37 -43 -20 15 -31 -19 -24 -26