SSOC Tohbans' Report for Week 23 (Jun 07 - Jun 13) of 1993

                                                                   1993-Jun-14
                                               SSOC: T.Hiraoka , Y.Ishidoh 
                                               KSC : K.Yaji , Shiomi      

1. Solar Activity

Generally the solar activity was not very high but some more active than
last week. 4 M-class flares occured in this week. YOHKOH observed only one.
M5.4 14:25 7-Jun.

2. List of SXT Table Uploads

    Month Day  Pass ID               Table Name

     Jun  08  930608-0310          930608 T1 P1 ARS1 PFI FST2
                    -0620          930608 T2 P4 ARS1 + LONG
     Jun  09  930609-0310          930608 T1 P1 ARS1 + DARK
     Jun  10  930610-0411          930610 T1 P2 CORONA & ARS1
                    -0618          930610 T2 P4 ARS1 + LONG
     Jun  11  930611-0308          930611 T1 P1 ARS1 PFI FST2
                    -0618          930611 T2 P4 ARS1 + LONG
     Jun  12  930612-0516          930612 T1 P4 ARS1 LONG 1X2

3. STT Timer Set

  The STT timer was set during the following Pass:
    Month Day  Pass ID
     Jun  08   Pass1(930608-0310)
     Jun  11   Pass2(930611-0412)
     Jun  12   Pass5(930612-0619) (Timer stopped)

  and STT track check is OK !

4. OG update 

     Jun  11  Pass1(930611-0308) OG write for special operations 
                      OG No.88 - 95 BCS PHA/SCA check OG's

5. Special Operations 

     Jun  10   Pass2-4 offset pointings and campaign observations
               Pass2    ROG 73hex  S/C East (18')
               Pass2-3  CMPN OBS (05:36-05:40 UT) for SXT
               Pass3    ROG 74hex  S/C West (18')
               Pass3-4  CMPN OBS (07:14-07:18 UT) for SXT
               Pass4    ROG 72hex  S/C Normal Point
     Jun  11   Pass4-5  CMPN OBS (09:19-09:35 UT) for BCS PHA/SCA check by OP

6. Errors and Troubles

6-1. SXT BIT MP error occured at Pass 1 in 9-Jun and recovered by Yobi-Command
     C.
     
6-2. BCS error 
      12-Jun, Pass2 --> recovered by KSC tohbans in Pass3.

6-3. We lost 2 DSN data 

     a)  DOY 160 (09-Jun) Madrid  16:21-16:30 UT 
             the problems at DSS-66 which are still under investigation.      
     b)  DOY 146 (26-May) Goldstone17 05:28-05:39 UT
             bacause of the station's MPA (Metric Pointimg Assembly)


7. Hikitsugi

7-1. DSS-66 (Madrid) will be down from 08:00 UT on June 21st to 16:00 UT
     on June 26th 1993 , due to MPA installation.

7-2. The next STT Timer Set is scheduled for Thursday(17-Jun) or Friday(18).

7-4. Tohbans for week 24: SSOC: Satoh,Labonte, KSC: Shiomi,Kozuka

------------------  end of report  --------------