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 19 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 75563 1632 999999 75586 1628 999999 75609 1496 999999 75637 1689 8245 75660 1611 8037 75683 1558 7936 75711 1654 9183 75734 1680 9541 75757 1675 9087 75794 1691 9091 75817 1702 8890 75840 1668 8704 75868 1584 8886 75891 1693 8902 75914 1806 8442 75942 1773 8947 75965 1819 9015 75988 1794 8849 76032 1896 9151 76055 1964 9350 76078 1977 8955 76106 1865 9769 76129 1888 9204 76152 1798 9846 76180 1989 8971 76203 1899 9782 76226 1856 9541 76264 1833 10027 76287 1920 10393 76310 1849 9423 76338 1759 8119 76361 1815 9700 76384 1890 8349 76412 2048 11060 76435 1889 10235 76458 1839 10119 76496 1933 9246 76519 1893 9449 76542 1857 8501 76570 1951 9694 76593 1915 9457 76616 1862 9998 76644 1832 9378 76667 1974 9370 76690 1836 8959 76734 1986 9156 76757 2033 9654 76780 2170 9137 76808 1776 9618 76831 1979 9559 76854 1897 9397 76882 1902 9288 76905 1971 9017 76928 1957 8934 76966 1776 9382 76989 1824 9312 77012 1745 9389 77040 1917 9093 77063 1832 8998 77086 1770 8758 77114 1843 9841 77137 1849 9312 77160 1798 9515 77198 1990 9459 77221 1986 9038 77244 1930 9199 77272 1854 8529 77295 1819 9014 77318 1868 9308 77346 1850 8688 77369 1808 8404 77392 1817 8509 77436 2115 8932 77459 2022 9012 77482 2004 8703 77510 1983 8873 77533 1936 8849 77556 1986 8988 77584 1862 8770 77607 1866 8292 77630 1907 8830 78211 1756 8771 78234 1806 8913 78257 1849 8634 78285 1765 8822 78308 1754 9249 78331 1852 9436 78359 1770 8964 78382 1751 8630 78405 1845 8504 78440 1671 8260 78463 1796 7988 78486 1649 7701 78514 1645 8418 78537 1696 7691 78560 1625 7753 78588 1683 7531 78611 1695 7758 78634 1623 7845 78678 1747 8543 78701 1847 8720 78724 1837 8310 78752 1874 8123 78775 1807 8242 78798 1841 8468 78826 1798 7790 78849 1776 8183 78872 1825 8122 78910 1750 8755 78933 1835 8924 78956 1788 9197 78984 1725 8863 79007 1663 8728 79030 1568 7309 79058 999999 999999 79079 1367 6692 79102 1223 5636 79130 1102 5433 79153 1066 5293 79176 917 4494 79204 887 3775 79227 840 2659 79250 779 2565 79278 740 2324 79301 702 2719 79324 701 2543 79352 758 2086 79375 668 1862 79398 590 2348 79426 498 2391 79449 448 2004 79472 471 1877 79500 417 2056 79523 478 1798 79546 430 1873 79574 489 2967 79597 577 4837 79620 559 8869 79648 292 9843 79671 350 12511