% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 671 255 211 172 130 85 97 120 97 201 207 289 358 327 464 438 187 176 203 169 124 131 121 115 113 103 80 85 86 69 70 78 74 40 66 73 12 48 70 55 81 40 -4 43 56 52 16 -12 65 73 88 109 111 100 61 59 75 82 96 69 65 58 81 78 34 68 74 55 82 36 49 54 31 -19 23 40 43 55 38 27 31 -14 32 44 21 -41 27 -38 22 -33 -12 38 37 21 23 -19 15 -44 -44 46 29 78 21 19 -38 42 39 -47 40 61 -20 -4 15 -34 23 24 -31 -43 34 21 -33 -44 -26 -30 36 -17 -33 -40