SSOC Tohban Report for Week 28 (12 JUL - 18 JUL) 1993 G.KAWAI & M.SHIMOJOU JUL 19, 1993 0.Solar Activity: Output of IDL procedure PR_EVN, which shows Yohkoh DP mode change, is as follows: >PR_EVN.PRO Run on 19-Jul-1993 10:04:56.00 >Search Start Time: 12-JUL-93 00:00:00 >Search End Time: 18-JUL-93 00:00:00 >Minimum event duration: 0.00 minutes > Start End Duration DP Number of Datasets > (UT) (UT) (min) Mode SXT-FFI SXT-PFI HXT/WBS BCS >12-JUL-93 16:43:30-16:52:30 9.00 Flare 0 0 252 0 >13-JUL-93 13:39:06-13:46:26 7.33 Flare 0 0 224 0 >14-JUL-93 17:25:20-17:33:51 8.52 Flare 0 0 258 0 All these flare modes are related to HXT calibration and not real flare. GOES plot shows there was two C-class flares on 17-Jul(pead at 08:33 and 22:03) 1.SSOC Operations: 1-1. SXT Table Changes: Jul 12 930712-1030 "930712 T1 P2 ARS1 LONG AM" Jul 14 930714-0938 "930714 T1 P2 ARS1 + DARK" Jul 15 930715-0826 "930715 T1 P2 OFFSET + ARS1" Jul 15 930715-1033 "930715 T2 P4 ARS1 LONG 2x2" Jul 16 930716-0826 "930716 T1 P2 ARS1 LONG AM" 1-2. STT Timer Set: The STT timer was set on Jul 13 Pass4 930713-1135 2.Errors: No error occurred. 3.Special Operations 3-1. Spacecraft Offpoints on Thursday: 930715-0826 18' E. 930715-0929 18' W. 930715-1033 Normal 3-2.HXT calibration HXT Calibration was done on: Jul 12 Pass3 930712-1134 Jul 13 Pass2 930713-0928 Jul 14 Pass4 930714-1135 4. DSN data One data in week 27 has not yet arrived. DOY/187(July 6) DSS/Madrid BOT-EOT/0328-0340 A retransmission request was faxed on July 13. 5. Computer Problems From 15 Jul evening to 16 Jul afternoon, network system was in trouble and e-mail, telnet, etc., could not be used. It was due to hardware trouble of rooter at GAKUJOU, to which ISAS network is connected. 6.Hikitsugi 6-1.Tobans in week 29 SSOC K.Marubashi(19,22-) S.Watari(20,21) K.Shibata(20-22,25-) M.Shimojou(19,23,24) KSC Te.Watanabe S.Kubo 6-2. Next STT timer set Jul 20 (Tue) --- end of report ---