% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 377 122 132 71 42 79 62 63 50 395 579 379 216 199 270 133 152 183 338 323 334 296 141 143 172 187 181 81 132 93 125 116 77 100 74 83 61 25 76 69 41 88 64 60 59 71 71 73 60 56 2 26 27 42 -42 26 -8 39 -23 -23 15 9 30 44 -22 29 46 46 26 33 41 67 -10 43 43 60 27 61 46 53 52 14 60 38 -4 -27 -16 25 22 -21 34 1 -23 -16 -28 49 5 26 -11 -5 -9 47 -18 -26 -20 -18 -27 -24 -14 16 29 -25 23 33 18 -26 -34 18 27 -6 -34 -31 29 -27 35 -9 -24 3