% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 191 125 94 99 -8 27 73 20 31 114 93 101 90 48 214 154 271 382 210 382 206 185 143 131 111 14 51 31 -41 33 19 -30 -14 47 47 27 -36 -29 -25 -17 26 -41 -19 -37 16 -43 -33 -40 -52 -26 -43 -20 -29 -21 -19 -31 -37 -25 -41 -36 -34 -35 -53 -32 -31 -43 -50 -48 -48 -50 -48 -50 -41 -43 -40 -48 -33 -53 -40 -56 -44 -30 11 -39 -36 -39 -20 -18 -46 -53 -29 27 31 -21 -26 21 -34 -28 -34 -25 -32 -37 -27 -7 30 34 39 -22 -27 64 3 55 15 38 43 37 37 -44 -23 -18 -25 -33 33 -33 -33 -26 -29 -16