SSOC Tohban Report for Week 11 (14 MAR - 20 MAR, 1994) 21 March, 1994 (Mon) L.Harra and Kyo Akita (SSOC) Takehiko Shinkawa and Ryouhei Kano (KSC) 1. Solar Activity The solar activity was low this week, with only a few small B class flares during the week. 2. Standard Operations 2.1 SXT table uploads Date(UT) Pass ID Mar.15 940315-1341 940315 P4 ARS1 DKCAL Mar.16 940316-1031 940311 P2 ARS1 STD+LONG 2.2 STT timer set Done on Mar.14 in pass 3 940314-1237. Should be reset on Tuesday. 3. Special Operations 3.1 Calibrations HXT and BCS calibrations were carried out successfully this week; BCS Cal Stim cal 940315.1134 BCS source cal between passes 4 and 5 . HXT calibration done on passes 940319-0929, 940319-1030, 940319-1133. 3.3 Quiet Med Mode during SAA Following last week`s SSOC tohbans we continued to put OG "QUIET RATE MED" at entry to SAA and OG "QUIET RATE HI" at exit to SAA in the OPs uploaded on Mar.14 and Mar.15(UT). On Mar 16, with Acton san's suggestion we changed this to QUIET RATE MED 7 minutes after HV reduction on, and QUIET RATE HI to 7 minutes before HV reduction off, to ensure maximum data collection. 4. Errors and problems 4.1 BCS error BCS error occurred at 940313-1447 and was recovered successfully in pass 2 940314-1134. 4.2 SXT error BITMAP error occurred at 940314-1444 (pass5) and was recovered by the Yobi-C command. 4.3 Network Problems There has been problems with connections to the outside world from ISAS from Sunday 20th March to Tuesday 22nd March. It seems to be in working order now. This meant that the tohban report was delayed as e-mail could not be sent. 5. DSN Communications 5.1 Cancellations On 20 March between 12:10 and 12:20 DSS had a major power failure and was unable to support orbit # 4407. 6. Hikitsugi 6.1 E-mails Please be sure to store e-mails to and from yohkoh@flare1 in mail/mail_94_w12. 6.2 Tohbans for W12 SSOC: A. Sterling and T. Fujiwara. KSC: Ryouhei Kano and J. Sato