% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 88 49 -25 -32 -44 34 35 48 -7 65 95 127 188 273 357 454 546 330 394 371 368 203 190 143 138 125 127 123 120 84 33 76 31 53 56 31 -28 -28 29 18 12 -28 -38 -42 -37 -21 -45 -47 -33 -39 -51 -17 -51 -42 -29 -36 -47 -43 -34 -47 -49 -47 -32 -34 -47 44 -39 -47 -47 -37 22 -20 -43 -32 -40 -26 -32 -31 49 44 16 29 25 8 81 -31 25 -11 32 33 48 27 -26 -20 -34 24 31 -43 -17 33 31 -44 16 -24 -8 31 -19 -39 -28 38 47 -22 -15 11 43 20 -23 16 -37 13 -15 -31 36 20 -27 -18 -4 10