27 1001 Wennberg,P.O., Cohen,R.C., and J.G. Anderson Harvard University, Cambridge, MA 02138, Tel (617) 495-5922 HOx SPADE 1 1 1993 04 23 1994 1 3 0 Elapsed time (sec) from 0 GMT on flight day 2 1 1 999999 999999 OH Volume Mixing Ratio (x 1e15) HO2 Volume Mixing Ratio (x 1e15) 0 11 ***** Final Data - Software version 2.2 ***** OH and HO2 measurements are taken within 10 sec of timestamp Absolute Uncertainties (2-sigma) are approximately +/- 30 percent +/- .01 ppt for OH; +/- 40 percent +/- .01 ppt for HO2 Absolute Uncertainty for the ratio: OH/HO2 is approximately 25 percent Reported HO2 will contain a fractional contribution from RO2. R=CH3,C2H5 HO2 reported = [HO2] + (.4 - .6)[RO2] for pressures less than 150 torr ***** Final Data - Software version 2.2 ***** Time OH HO2 67520 611 2900 67543 603 2913 67566 648 3045 67594 651 3328 67617 637 3462 67640 673 3449 67668 692 3139 67691 763 3014 67714 738 3059 67742 721 2862 67765 734 3408 67788 748 3516 67816 727 3483 67839 783 3784 67862 783 4001 67890 737 4267 67913 849 4217 67936 797 4320 67964 869 4678 67987 865 4587 68010 873 4660 68038 891 5987 68061 910 5895 68084 944 5759 68112 916 5729 68135 969 5625 68158 925 5254 68186 820 5791 68209 933 5766 68232 904 5915 68260 1058 5982 68283 985 5718 68306 993 6117 68334 1010 6471 68357 1067 6983 68380 1073 6664 68408 979 6070 68431 1046 6162 68454 1071 6593 68482 1094 7377 68505 1227 7114 68528 1111 7086 68556 1192 6991 68579 1273 6804 68602 1285 6749 68630 1268 7313 68653 1262 7244 68676 1247 7287 68704 1325 7388 68727 1319 7398 68750 1328 7539 68778 1362 7540 68801 1412 7518 68824 1383 7671 68852 1366 7752 68875 1498 7734 68898 1517 7480 68926 1437 7607 68949 1478 7715 68972 1461 8358 69000 1562 8498 69023 1642 8801 69046 1678 8124 69074 1491 8010 69097 1534 8230 69120 1576 7999 69148 1593 8573 69171 1633 7992 69194 1578 8223 69222 1557 8494 69245 1583 8169 69268 1591 8316 69296 1677 8738 69319 1568 8868 69342 1694 8792 69370 1784 9311 69393 1815 8883 69416 1735 9135 69444 1796 9381 69467 1873 9704 69490 999999 999999 70235 1785 9664 70258 1748 9286 70281 1697 9210 70309 1763 8508 70332 1546 8011 70355 1509 8272 70381 1474 8100 70404 1440 8512 70427 1537 8437 70455 1354 7948 70478 1341 7840 70501 1314 7726 70529 1196 6875 70552 1040 5547 70575 1026 5155 70603 875 5354 70626 887 5062 70649 870 4813 70677 831 4390 70700 889 4287 70723 837 4164 70751 746 4046 70774 771 3589 70797 743 3618 70825 756 3051 70848 753 3006 70871 702 2984 70899 702 2964 70922 655 3115 70945 633 3507 70973 600 2639 70996 540 2272 71019 522 2214 71047 442 2416 71070 496 2444 71093 492 2800 71121 484 2749 71144 451 2472 71167 506 2494 71195 509 2746 71218 496 2842