SOHO DAILY REPORT

Operations Day -- 141/1996 (05/20/96)
Mission Day 171

SOHO FLIGHT OPERATIONS TEAM, NASA/GSFC
Ref. #:   SH-FOT-DR-960520
=====================================================================


PASS #1 Canberra DSS42  05:10:00 07:05:00
PASS #2 Madrid DSS66  12:16:00 14:50:00
PASS #3 Goldstone DSS27  18:03:00 03:11:00


Pass #1 Summary
---------------------

Anomalies: 

None

NRT:

None

Activity Summary:

- SSR SEF Counter
- Dump SSR
- Distribute OBT to CELIAS, SWAN
- Min/Max dump, pros B survey
- Collected MDIM
- Dump groups (1)
- State of health monitoring
- SSR to Record


Pass #2 summary
---------------------

Anomalies: 

None

NRT:

12:38 - 14:02 Shared NRT

Activity Summary:

- SSR SEF Counter
- Dump SSR
- OBT sent to CDS (OCD # 289)
- Update Roll Steering Law
- Upling VIRGO load VIRA60521
- Collected MDIM
- State of health monitoring
- SSR SEF Counter
- SSR to Record


Pass #3 summary
---------------------

Anomalies: 

G-704 141/2027 TM drop-out

NRT: Intermittent period of shared NRT

18:20 - 22:31
23:21 - 23:24
00:22 - 00:28
00:28 - 00:52
02:19 - 02:55

Activity Summary:

- SSR SEF Reset
- SSR to Dump
- Stop SSR Dump
- Collected MDIM, MDIH
- Uplinked CELIAS load CEL960520301
- Disabled Roll Steering Law
- Updated drift and scale factor for IRU-C
- Enabled Roll Rate Anomaly Detection
- Changed AOCS mode to RMW
- Loaded APME roll table and went under station mode
- Rolled by 45 degrees, went back 7 degrees (to +45 degrees), then rolled 
another 45  degrees 
- Uplinked new normal APM load - switched back to APM normal
- Searched and Tracked new guide star (Slot #2), plaed SSU in AOCS for roll 
control
- Switched back to Nominal mode
- Reset off-pointing flags
- Disabled RRAD
- SSR to Record


--End of report--