% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 112 28 36 17 19 44 -27 251 103 112 108 88 211 67 221 203 215 114 148 79 101 74 110 58 62 89 65 74 60 61 47 34 44 30 57 54 21 -11 21 32 39 15 21 -10 59 22 -22 9 -17 21 -19 26 10 -32 -22 -25 23 -9 -21 13 -8 -19 -26 39 15 20 -19 17 27 -19 -14 37 29 -26 16 25 29 -14 22 22 19 39 37 -18 37 32 25 -32 -7 26 30 23 37 19 -7 10 -17 30 -30 24 21 15 -13 14 27 -7 -21 6 -26 20 25 -9 24 11 0 -27 21 -30 -17 -25 21 -31 35 -19 -7 10 17 -24