
SOHO DAILY REPORT

Operations Day -- 021/1998 (21 JAN 98)
Mission Day 782

SOHO FLIGHT OPERATIONS TEAM, NASA/GSFC
Ref. #:   SH-FOT-DR-980120
=====================================================================

PASS #1 Canberra DSS42   0244 - 0436
PASS #2 Canberra DSS46   0403 - 0645
PASS #3 Madrid DSS66   0634 - 1033
PASS #4 Madrid DSS61   1020 - 1425
PASS #5 Goldstone DSS27  1350 - 1821
PASS #6 Canberra DSS46   1805 - 022/0644

*** MDI 3-month Continuous Campaign in progress ***


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

Anomalies:

G98-0076  0250  15 min command delay, OPD discrepancy
G98-0077  0305  3 min command delay, resweep required
G98-0078  0309  5 min command delay, command mod not on

NRT:

None

Activity Summary:

- Collect MDI-H (0244 - 0436)
- SSR SEF Reset
- Distribute OBT to SWAN, CELIAS


Pass #2 Summary
---------------------

Anomalies:

G98-0079  0429  5 min command delay, command mod not on

NRT:

None

Activity Summary:

- Collect MDI-H (0403 - 0645)


Pass #3 Summary
---------------------

Anomalies:

G98-0080  0847  1 min loss of TM, reason unknown, recoverable.

NRT:

None

Activity Summary:

- Collect MDI-H (0634 - 1033)
- SSR SEF Reset


Pass #4 Summary
---------------------

Anomalies:

G98-0081  1329  Received continuous stream of echo blocks for 20 sec with 
no         commands being sent.

NRT:

1135 - 1331, 1334 - 1349

Activity Summary:

- Collect MDI-H (1020 - 1425)
- Uplink RSL Table
- Uplink Delayed Loads (VIRA80122, SWA980121081)


Pass #5 Summary
---------------------

Anomalies:

G98-0082  1422  Unable to command through receiver 2 from DSS27
G98-0083  1546  Unable to lock on receiver 1 from DSS27

NRT:

None

Activity Summary:

- Collect MDI-H (1350 - 1821)


Pass #6 Summary
---------------------

Anomalies:

S98-0003  022/0109  CEPAC ESU data request error, 23 min interruption in 
CEPAC          science operations
G98-0084  022/0449  Unable to lock on receiver 1 from DSS27

NRT:

1837 - 1843, 2106 - 2206

Activity Summary:

- Collect MDI-M (1830 - 1958, 022/0040 - 022/0142)
- Collect MDI-H (1805 - 1830, 1958 - 022/0040, 022/0142 - 022/0644)
- MDI LOI Dump (twice)
- Dumped and Cleared Anomaly Table
- SSR SEF reset
- OBT distribution to SWAN, CELIAS
- Receiver 2 testing to establish thresholds


-- End of Report --



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