distance recvelocity .032 170 .034 290 .214 -130 .263 -70 .275 -185 .275 -220 .45 200 .5 290 .5 270 .63 200 .8 300 .9 -30 .9 650 .9 150 .9 500 1.0 920 1.1 450 1.1 500 1.4 500 1.7 960 2.0 500 2.0 850 2.0 800 2.0 1090