% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 205 86 79 80 91 89 63 63 62 118 143 272 176 136 199 203 191 82 202 198 122 222 140 104 104 109 110 100 80 48 62 47 57 68 56 48 44 48 48 73 56 33 68 51 32 42 39 35 31 32 41 24 24 44 33 26 39 34 50 15 18 27 25 32 41 15 16 35 41 5 21 29 25 17 45 -15 14 -17 26 25 9 11 20 38 26 27 21 21 -15 -22 -18 -27 20 -13 17 -9 23 36 39 25 22 26 10 -29 -36 -31 26 15 -16 7 -21 29 -23 14 -10 -31 -23 -23 37 -24 -16 -26 13 -9 22 -17 41 -22