                         <Yohkoh Operation Report>
 30-Jan-97   (Thu)  Y+1980 (days)   KSC Tohban  +-----------------------------+
Operation-------------------------------------+ |Takaaki Yokoyama             |
|OP wr #07, SXT tbl wr, SXT recovery          | |Naoko Saita                  |
+------------+------------+------------+------+-+---+------------+------------+
|            |   PASS 1   |   PASS 2   |   PASS 3   |   PASS 4   |   PASS 5   |
+------------+------------+------------+------------+------------+------------+
|  PASS No.  |            |970129-1443 |970129-1547 |970130-0102 |970130-0205 |
+------------+------------+------------+------------+------------+------------+
| Operation  |ASCA        |OP wr #07   |zenith      |SXT tbl wr  |SXT recovery|
|            |conflict    |            |            |            |            |
+------------+------------+------------+------------+------------+------------+
|  AOS(UT)   |            |21:18:42    |23:01:30    |0:44:53     |2:27:48     |
|  LOS(UT)   |            |21:31:02    |23:13:54    |0:56:48     |2:39:26     |
+------------+------------+------------+------------+------------+------------+
|   MAX.EL.  |            |43.496      |            |78.735      |30.606      |
|    TIME    |            |21:24:32    |            |0:50:18     |2:33:00     |
+------------+------------+------------+------------+------------+------------+
|REP/RNG/ANT |            |REP/RNG/A->B|REP/A->B    |REP/RNG/A->B|REP/B       |
+------------+------------+------------+------------+------------+------------+
|  DP-MODE   |            |ACS-H->QT-H |QT-H        |QT-H        |QT-H        |
+------------+------------+------------+------------+------------+------------+
|  COMMANDS  |            |TMX H REP   |SXT CHK DIS |SXT CHK DIS |SXT CHK DIS |
|            |            |MOD CTL AT  |TMX H REP   |TMX H REP   |TMX H REP   |
|            |            |SXT CHK DIS |            |SXT CTL MANU|            |
|            |            |            |BDR PAUSE   |SXT TBL WR  |SXT TBL RD  |
|            |            |OP STOP     |SXT CHK ENA |WR PAUSE    |(SXT tbl mk)|
|            |            |OP WRITE    |S/X ANT B ON|BDR PAUSE   |BDR PAUSE   |
|            |            |TCU MEM H   |SBR B RNG   |SXT CHK ENA |SXT CHK ENA |
|            |            |            |(20mANT ROT)|S/X ANT B ON|S/X ANT B ON|
|            |            |BDR PAUSE   |SXT CHK DIS |SBR B RNG   |SBR B RNG   |
|            |            |SXT CHK ENA |TMX H REP   |SXT CHK DIS |SXT CHK DIS |
|            |            |S/X ANT B ON|            |TMX H REP   |TMX H REP   |
|            |            |SBR B RNG   |BDR REC     |SXT TBL WR  |            |
|            |            |SXT CHK DIS |            |WR PAUSE    |SXT TBL WR  |
|            |            |TMX H REP   |            |            |SXT TBL RE  |
|            |            |            |            |(SXT Yobi A)|SXT CTL AT  |
|            |            |OP START    |            |            |            |
|            |            |BDR REC     |            |BDR REC     |BDR REC     |
+------------+------------+------------+------------+------------+------------+
|ERROR(S,D,B)|            |(OK,OK,OK)  |(OK,OK,OK)  |(OK,OK,OK)->|noobs,OK,OK |
+------------+------------+------------+------------+noobs,OK,OK +->(OK,OK,OK)+
|   EVENT    |            |none        |none        |none        |none        |
+------------+------------+------------+------------+------------+------------+
|OBS R(NS,EW)|            |(135,115)   |(135,114)   |(136,112)   |(136,111)   |
+------------+------------+------------+------------+------------+------------+
|IMG CHK(P/F)|            |(OK,OK)     |(OK,OK)     |(OK,OK)     |(OK,OK)     |
+------------+------------+------------+------------+------------+------------+
|SXT TBL VER |            |            |            |970129 P4   |970129 P5   |
|            |            |            |            |ARS1 DARKCAL|ARS1 DARKCAL|
+------------+------------+------------+------------+------------+------------+
|  GBO_MAIL  |            |dispatched  |dispatched  |dispatched  |dispatched  |
+------------+------------+------------+------------+------------+------------+
|FFI EXPOSURE|            |-->         |-->         |no obs.     |AlMg 5.3 sec|
|            |            |-->         |-->         |(tbl err)   |Al.1 2.7 sec|
+------------+------------+------------+------------+------------+------------+
|  REFORMAT  |            |done        |done        |done        |done        |
+------------+------------+------------+-----+------+-----+------+------------+
|  COMMENT   |OP START @pass 2 (21:27:59)    |SUN ANG/TFSS|0.1218-0.1438      |
+------------+-------------------------------+------------+-------------------+
「4パス目のSXTテーブル変更中にTBL WRがなかなか終わらず、パス中には書き終わらない
とKSC当番が判断し予備AでSXTを安全状態にした。これは、SXT_COのオペミスで、SXTテー
ブルデータ全体をコマンド化してしまったためである。」（原氏のエラー報告書より）
対処法：運用中に、衛星からテーブルを降ろしそれを基にして新テーブルを作成しすぐに
書き込んだ。久しぶりにドキドキした。原君に感謝。さあてロケット、ロケット。（よ）
excitingな運用を体験しました。上位ビットでなくて良かったー。（斉田）