% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 187 58 133 106 136 123 7 84 83 97 99 180 366 474 328 429 727 603 705 405 433 464 480 446 483 330 414 293 238 267 284 193 211 155 172 171 205 175 157 167 152 160 71 59 78 140 99 88 65 65 104 55 36 58 71 80 62 -18 55 53 66 42 48 61 29 60 84 53 63 75 64 69 77 38 48 43 35 32 62 53 78 26 52 69 53 12 12 47 -9 48 31 43 47 50 -22 34 61 30 -18 25 42 -14 -23 -12 40 2 -45 25 29 31 -23 -33 -22 -39 -37 -17 47 -23 16 -4 -36 -39 15 -34 -39 30 54 14