SSOC Tohban Report for Week 36 (5-11 September 1994) SSOC: M. Shimojo, M. Noguchi KSC : T. Matsuda, A. Takeda 1. Solar Activity ------------------------------------------------------------ In last week, 38 B-class flares and 5 C-class flares occured. C-class flares occured in NOAA7773 and NOAA7776 region. Following list is flare list above C-class . Date Time (UT) X-Ray Opt Loca- NOAA Peak Radio Reports Begin Max End Class Imp tion Region 5-SEP-94 02:29 02:36 02:44 C1.1 SF S10E07 7773 5-SEP-94 05:25 05:38 05:49 C6.0 1F S09E04 7773 31 III 6-SEP-94 00:22 00:59 01:09 C7.8 1F S08W08 7773 III,C 6-SEP-94 06:28 06:33 06:37 C1.5 SF S07E41 7776 III 2. Standard Operation -------------------------------------------------------- 2.1 SXT Table Uploads JST day Pass NO. Table ID Offpoint 5-Sep-94 Pass_4 '940905 P4 ARS1 ARS1 DKCAL' Normal 6-Sep-94 Pass_2 '940906 P2 ARS1 S-OFFPOINT' South Pass_4 '940906 P3 ARS1 STD+LONG'** Normal 7-Sep-94 Pass_2 '940907 P2 SPARTAN TST1' South-East Pass_3 '940907 P3 ARS1 STD+LONG' Normal 8-Sep-94 Pass_2 '940908 P2 SPARTAN TST1' South-West Pass_3 '940908 P3 ARS1 STD+LONG' Normal 9-Sep-94 Pass_2 '940909 P2 SPARTAN TST1' East Pass_3 No Table Upload West Pass_4 '940909 P4 ARS1 STD+LONG' Normal 10-Sep-94 Pass_2 '940910 P2 SPARTAN TST1 South-West Pass_3 '940910 P3 ARS1 STD+LONG Normal ** Since BCS error occured in Pass_2 (6-Sep-94) and recovered in Pass_3, we uploaded in Pass_4. 2.2 STT Timer Set STT Timer was set on Tuesday (Pass_2 on 6-Sep-94). 3. Special Operation ------------------------------------------------------- 3.1 Offpoint & OG Write In this week, We have a joint observation with SPARTAN which is space shutle's instrument. So that We carried out the offpointing opearation and the OG write {NO.21 [S/C S-E (8')],No.22 [S/C S-W(8')]} for test of the joint observation in last week. following list is offpointing list of last week. JST day Pass or time Offpoint 6-Sep-94 Pass_2 - Pass_4 South (8') (ROG 56H) 7-Sep-94 Pass_ 2 [OG write] Pass_2 - Pass_3 South - East (8') (ROG 21H) 17:49:51 - 17:53:35 South - East (8') (in OP) 8-Sep-94 Pass_2 - Pass_3 South - West (8') (ROG 22H) 08:25:19 - 09:07:27 South - West (8') (in OP) 9-Sep-94 Pass_2 - Pass_3 East (8') (ROG 23H) Pass_3 - Pass_4 West (8') (ROG 24H) 11:58:40 - 12:40:48 East (8') (in OP) 00:56:48 - 01:38:56 West (8') (in OP) 10-Sep-94 Pass_2 - Pass_3 South - West (8') (ROG 22H) 4. Errors & Ploblem -------------------------------------------------------- 4.1 SXT Error 9-Sep-94 Pass_2 : Bit Map Error -> recovered in the same pass. 4.2 BCS Error 5-Sep-94 Pass_2 : Checksum Error -> recovered in Pass_3. Pass_5 : Checksum Error -> recovered in the same pass. 6-Sep-94 Pass_2 : Checksum Error -> recovered in Pass_3. 4.3 Transmitter Maintenance On 7-Sep-94, Pass_1 was lost, becouse of exchangeing the parts of transmitter and maintenance. 5. DSN Communications ------------------------------------------------------ 5.1 DSN Strawman Schedule for W39 The strawman schedule for w39 arrived on Friday, and it happened that there was no DSN conflict in the schedlue, so we did not have to meet with Drs. Itoh and Skinner (ASCA) for w39. 5.2 Re-transmission Request. On 5-Sep-94, the datasets of 14 and 15-Aug-94 arrived. But the subcontractor who is in charge of creating Sirius database told us that some of them were not quite readable. We therefore requested the re-re- re-re-re-transmission. This dataset arrived on 9-Sep-94, But the datasets are also broken. Please disscuse at WOM. 6. Yohkoh/ASCA Pass Confilicts -------------------------------------------- Two KSC passes were lost during week 36 becouse of conflict with ASCA (Pass_5 of 6-Sep-94 and 7-Sep-94). And three passws will be lost during week 37 (Pass_5 of 12,16 and 17-Sep-94). 7. Holiday Schedule ------------------------------------------------------- The next horiday will be on 18-Sep-94. 8. Hikitsugi Item --------------------------------------------------------- 8.1 Tohbans for Week 37 SSOC: M.Ohyama and A. Okubo (16-Sep-94 S. Kubo and A. Okubo) KSC: S. Sano and T. Matsuda 8.2 STT Timer Set The next STT timer set is due on Tuseday. 8.3 The joint observation with SPARTAN From 21:00 13-Sep-94 to 15-Sep-94 12:00, we will carry out the joint observation with SPARTAN.