SOHO Daily Meeting Minutes for Monday, 29 January 2001
ANNOUNCEMENTS
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- Starting Monday, January 29 reroofing activities will require Building 14
loading dock be closed for 5 weeks. Among other inconveniences, during
the reroofing activity -- if the wind blows the wrong way you may get
sealant coated cars parked close to the activity.
It may be wise to park your car across the street.
FOT REPORT
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Spacecraft Status: Nominal
Spacecraft Anomalies: 026/2037 Single DMA Filure Over One Format.
Accomplished Activities:
026: VIRGO, CELIAS, SWAN, RSL
027: VIRGO, CELIAS, Flight S/W Maint.
028: VIRGO, CELIAS, Noncoho Load
Planned Activities: VIRGO, TR Maintenance
Upcoming Operations:
2/8 Off-pointiong Maneuvers
Ground Anomalies:
026/2127 D16 went to brake due to a MPA failure, and was
unable to support the remainder of the scheduled
pass. D27 was brought up as a replacement. Lost 2
hour 3 minutes of range data, TLM, and command
ability. Total of 37 minutes 4 seconds of the lost
TLM is unrecoverable, the rest was covered by D27.
026/2233 Lost 5 minutes 24 seconds of unrecoverable TLM and
command ability due to a TGC failure at D27.
027/0745 Ranging not performed during D66 support because
the station was unable to maintain lock on
spacecraft recevier #1 after 6 carrier sweeps.
Delayed commanding activities 50 minutes. Lost 1
minutes of unrecoverable TLM. Lost 4 hours 35
minutes of ranging.
027/1033 Wayward command, cause unknown.
027/2325 Lost 2 minutes 34 seconds of unrecoverable TLM due
to an uplink glitch triggering Std. Mon. 30. Lost
65 minutes of ranging.
029/0240 AOS from D46 was 1 hour 53 minutes late due to a
X-axis servo motor failure. Lost 2 hours 16
minutes of range data, 1 hour 53 minutes of TLM,
and 2 hours 14 minutes of command ability.
Telemetry recoverable from SSR and from D34, which
supported from 0326 to 0445.
SOLAR STATUS
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EIT daily On-Line Solar Status and observations:
http://umbra.nascom.nasa.gov/eit/plan/log_form20010129.html
LASCO daily On-Line Solar Status and observations:
http://lasco-www.nrl.navy.mil/observations/2001/obs20010129.html
INSTRUMENT STATUS
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CDS: Nominal. Full sun scan today and sunspot studies tomorrow.
UVCS: Nominal. UVCS calibration and observations of interplanetary
hydrogen for the whole week.
LASCO: Nominal. C2 and C3 synoptics.
EIT: Nominal. 195 Angstrom CME watch and synoptics.
MDI: Nominal. Full disk magnetograms and dopplergrams.
MDI will have dedicated NRT at the start of Tuesday's long
pass to complete a load. Expected duration is 1 hour.
TRACE: Nominal. Active region study on AR 9313 continues today.