% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 198 123 93 78 77 47 54 32 61 146 126 120 193 195 210 396 465 390 367 269 261 205 231 198 78 170 113 96 81 86 97 80 64 42 39 35 55 -14 41 -28 -28 -26 -43 23 -7 -27 -37 -34 -41 -34 -37 -21 -37 -42 -40 -37 -34 -11 -43 -34 -24 -44 -30 38 -40 -31 -29 -28 15 -32 19 -33 -36 26 30 -25 -19 46 22 42 28 18 11 -32 11 -35 -17 46 -23 21 6 -36 -27 -43 32 9 42 47 40 -32 33 38 -32 39 -35 27 18 -34 14 11 -40 39 -26 -37 -8 -28 -14 43 23 -36 16 -21 -21 -50 -22 -32 -18 27