SOHO DAILY REPORT Operations Day -- 090/1999 (31 MAR 99) Mission Day 1216 SOHO FLIGHT OPERATIONS TEAM, NASA/GSFC Ref. #: SH-FOT-DR-990331 ===================================================================== PASS #1 Madrid D54 0750 - 1906 PASS #2 Goldstone DSS24 1924 - 2116 PASS #3 Goldstone DSS27 2103 - 2317 PASS #4 Canberra D42 2312 - 0323 *** MDI Continuous Ops 13 MAR - 13 JUN 99 *** Pass #1 Madrid D54 0750 - 1906 Anomalies: G99-0224 0750 22 Min delay in commanding. Transmitter interlock limit, which was not reported during prepass briefing. DR#L-03144. G99-0225 1014 91 Min delay in commanding. Transmitter failure due to cooling problem. DR#L-03145. G99-0226 1117 Command lost in transmission to station. 2.5 min commanding delay G99-0227 1752 2.2 Min TM dropout. SFG task hung. Recoverable. G99-0229 1850 D16 transmitter declared red. Station D27 brought up as replacement 1902 D16 had hydraulic failure. Unable to be used for d/l only. G99-0230 1843 D27 antenna stowed due to high winds. Bringing up D16 as d/l only. NRT: 1520 - 1830 Activities Summary: - Collect MDI-M (1414 - 1516) - Collect MDI-H (0750 - 1414, 1516 - 1854) - MDI LOI Buffer Dump - Uplink Delayed Loads (VIRA90401,CEL990331301) - Min/Max Data Collection/Reset (SSU) - SSR SEF Reset - SSR To Record (save data for high winds outage) -------------------- Pass #2 Goldstone D24 1924 - 2116 Anomalies: G99-0228 1948 1.1 Min TM dropout. Nonrecoverable. Possibly due to RFI. NRT: 2000 - 2045 Activities Summary: - SSR Dump (from high winds outage) - Collect MDI-M (1958 - 2100) - Collect MDI-H (2100 - 2116) -------------------- Pass #3 Goldstone DSS27 2103 - 2317 Anomalies: None NRT: None Activities Summary: - Collect MDI-H (2103 - 2317) -------------------- Pass #4 Canberra D42 2312 - 0323, and 0555 - 0825 Anomalies: None NRT: None Activities Summary: - Collect MDI-M (0100-0202) - Collect MDI-H (2312 - 0100,0202 - 0353,0555 - 0825) - Dump LOI Buffer - ACU Memory Dumps - Distribute OBT to SWAN, CELIAS - Min/Max Data Collection/Reset (PROS) - SSR SEF Reset -------------------- -- End of Report --