SOHO Daily Meeting Minutes for Monday 12 April 2004 ANNOUNCEMENTS ------------- * The current RHESSI default target is AR10588. When selecting this target to maximize coordination w/others, use campaign number 6850. * Submode change tomorrow at 16 UT * Solar Science Seminar on Wednesday 14 April at 3:30pm in Building 26, Room G-10 by Uri Feldman on "On the Source of the 10^7 K Plasma: Are Solar Flares Fueled by Magnetic Reconnection?" FOT REPORT ---------- Spacecraft Status: Nominal Spacecraft Anomalies: None Accomplished Activities: DOY 100 Uplink delayed loads: VIRA040410, SWA04040891, RSL Table, Acquired new tracking star, Execute C-06 DOY 101 Nominal Daily Activities DOY 102 Uplink delayed load: NONCOHO_04102 Planned Activities: Uplink SWAN load, Acquire 2 new tracking stars Upcoming Operations: None Ground Anomalies: 100/1451 2 Extraneous Commands (DSS24) - cause unknown - delayed NRT commanding by 31 minutes. 100/2345 Ranging Not Performed due to (DSS46) unable to maintain lock on spacecraft receiver 1 - unable to collect 385 minutes of ranging data, delayed pass activities 28 minutes. 101/0401 Command Outage - (DSS46) Over Current Tripped HPA - 22-minute command outage. 101/0744 Loss of telemetry - cause unknown (DSS66) - lost 1.5 minutes of VC0 & VC1 - unrecoverable, lost 1.5 minutes of VC4 - recovered from SSR. 102/0030 String 5 workstation 2 & xterminal 2 locked up - cause unknown - rebooted workstation. 102/0736 Wayward Command & echo due to secondary line SPC 60 - delayed FSM collection, retransmitted 1 command successful, degraded telemetry - recoverable from CDR. 102/0753 Extraneous command (DSS66) - cause unknown - delayed FSM collection 4 minutes, caused 1 software anomaly. 102/1620 String 5 xterminal 1 locked up - cause unknown - had to reboot xterminal. 102/2050 Ranging Not Performed - (DSS46) unable to maintain lock on spacecraft receiver 1 - unable to collect 550 minutes of ranging data, delayed commanding & pass activities 43 minutes. 103/0144 Telemetry & command outage due to TCP failure (DSS46) - lost 1.8 minutes of telemetry & command time - unrecoverable. 103/0320 Loss of command - cause unknown (DSS46)- 3 minutes command outage. Other: N/A SOLAR STATUS ------------ 04/09 DOY 100 - 04/12 DOY 103 EIT daily On-Line Solar Status and observations: http://umbra.nascom.nasa.gov/eit/plan/log_form20040412.html LASCO daily On-Line Solar Status and observations: http://lasco-www.nrl.navy.mil/observations/Todays_obs.html Web Page for Planning: http://www.bbso.njit.edu/arm Magnetic Maps and Heliospheric Forecasts: http://www.lmsal.com/forecast/ INSTRUMENT STATUS ----------------- CDS: Nominal. Full sun scan. SUMER Opening door tomorrow after the submode change. UVCS: Nominal. South coronal hole observations and synoptic. LASCO: Nominal. C2/C3 synoptics. EIT: Nominal. 195 CME watch and synoptics. MDI: Nominal. Full disk magnetograms and dopplergrams. TRACE: Nominal. Filament observations, network-internetwork oscillations campaign.