29 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 30 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) 2 ***** Do to difficulties in the HO2 titration the points at times between 77939 GMT ***** and 78036 GMT are only lower limits and are reported as -1*[HO2(lower limit)] 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 74734 455 1817 74757 454 2007 74780 435 1937 74808 561 1813 74831 523 2328 74854 575 2283 74882 601 2399 74905 684 2634 74928 680 2744 74956 658 2447 74979 640 2347 75002 702 2461 75030 705 2798 75053 718 2853 75076 758 3312 75104 743 3210 75127 790 3659 75150 836 3705 75178 773 4364 75201 833 4371 75224 780 4481 75252 939 4354 75275 849 4320 75298 901 5101 75326 973 5637 75349 962 5996 75372 1070 5759 75400 1049 5693 75423 1079 5306 75446 1120 6137 75474 1094 5893 75497 1119 5730 75520 1163 5913 75548 1252 5741 75571 1270 6034 75594 1236 5791 75622 1177 5986 75645 1212 5941 75668 1229 6317 75696 1138 5626 75719 1315 6116 75742 1255 6483 75770 1224 6671 75793 1185 6496 75816 1152 6629 75844 1400 6451 75867 1392 7331 75890 1529 6956 75918 1458 8332 75941 1344 7042 75964 1297 6750 75992 1332 7004 76015 1440 6412 76038 1448 7393 76066 1369 6513 76089 1315 7692 76112 1471 7621 76140 1523 7670 76163 1565 7859 76186 1680 7647 76214 1444 8299 76237 1530 8005 76260 1475 8111 76288 1530 7556 76311 1583 7590 76334 1468 7441 76362 1456 7734 76385 1475 7449 76408 1517 7600 76436 1530 7369 76459 1507 7467 76482 1561 7465 76510 1501 7973 76533 1571 8094 76556 1570 8022 76584 1598 8022 76607 1615 8728 76630 1653 8198 76658 1626 8065 76681 1666 8014 76704 1718 8695 77051 1513 7353 77074 1591 7329 77097 1654 7017 77125 1404 7537 77148 1320 7003 77171 1308 7019 77199 1444 6820 77222 1265 6349 77245 1217 6223 77273 1059 5455 77296 1002 5160 77319 1067 5116 77347 1053 5025 77370 982 4592 77393 959 4959 77421 918 4488 77444 779 3852 77467 724 3671 77495 811 3920 77518 783 4003 77541 752 3451 77569 719 2361 77592 692 2196 77615 658 2221 77643 600 2251 77666 599 2321 77689 562 2161 77717 569 2036 77740 532 2296 77763 553 2267 77791 528 1799 77814 522 1764 77837 476 1762 77865 486 1848 77888 462 1626 77911 409 1396 77939 335 -1343 77962 403 -3630 77985 455 -6014 78013 594 -1788 78036 584 -2470 78059 618 3848 78087 539 3802 78110 473 8813 78133 419 11398 78161 254 10355 78184 317 10254 78207 257 10346