GE-7/24/98 E15 Science Data Losses 150-21:43 --->201-05:37; Lost TFs in brackets[.....] Changes in Bold Time DSS Reference RT Rcvd Events Comments Cause Pass (GMT) TFs # Lost from PPT 151-02:41 63 1 - Unknown - Lost TF U 3155 [21094] 4 RTS VCDUs 151-19:09 14 DR# 2 0 - The scheduled - Lost TFs PD 3156 G03796 u/l xfer did [21238 & 21239] -> 19:23 not occur as 8 RTS VCDUs DSS14 utilized the incorrect tune out message. DSS43 had to resweep the u/l. 151-19:43 14/ 1 0 - Both stations - Lost TF U 3156 dropped BVR and [21243] 4 RTS 43 FSR lock for an VCDUs unknown reason. 152-01:58 63 DR# 2 0 - The station - Lost TFs U 3156 L02713 had to resweep [21298 & 21299] -> 02:14 the u/l after 8 RTS VCDUs failing to lock the s/c rcvr the first time. The sweep rate was decreased to allow the successful second attempt. 153-21:43 43 1 0 - Rate change - Lost TF S 3158 80-32bps. This [21722] 2 PB was the last TF VCDUs of the pass. 157-15:35 43 7 0 - Rate change - Lost TF S 3162 80-120bps [22745] 4 PB 16:41 VCDUs - Rate change -> 16:45 120-160bps - Lost TF [22774] 3 PB & 19:08 - Rate change 1 Priority 160-120bps VCDUs 19:42 - Rate change - Lost TF 158-00:56 120-80bps [22860] 4 PB VCDUs -> 01:04 - Rate change 80-60bps - Lost TF 01:45 [22875] 4 PB - Rate change VCDUs 60-40bps - Lost TFs [22967 & 22968] 8 PB VCDUs - Lost TF 22978] 4 PB VCDUs 158-01:57 43 1 0 - Unknown - Lost TF U 3162 [22980] 2 PB & 1 Priority VCDUs 160-07:45 63 1 0 - SPE +/- 75 - Lost TF JN? 3164 degrees [23611] 3 PB & 1 Priority VCDUs 162-00:46 43 1 0 - Rate change - Lost TF S 3166 80-60bps [24113] 4 PB VCDUs 162-16:19 43 1 0 - Rate change - Lost TF S 3167 60-80bps [24297] 4 PB VCDUs 164-00:24 43 1 0 - Unkown - Lost TF U 3168 [24684] 4 PB VCDUs 166-04:18 63 1 0 - Rate change - Lost TF S 3170 40-60bps [25355] 4 PB VCDUs 166-08:38 63 1 0 - Rate change - Lost TF S 3170 60-40bps [25412] 3 PB & 1 Priority VCDUs 166-15:18 43 5 0 -FSR 1 failed - Lost TF H 3171 and the station [25508, 25513 & 15:42 ran with only 25514, 25518, FCD1. All rate 25577] 22 PB & -> 15:51 changes were 1 Priority lost due to VCDUs 16:08 known limitation with 19:26 BVR/FCD1 config. 168-01:21 43 1 0 - Unknown - Lost TF U 3172 [25950] 3 PB VCDUs 169-15:04 43 2 0 - Rate change - Lost TF S 3174 40-60bps [26437] 4 PB 15:52 VCDUs - Rate change 60-80bps - Lost TF [26447] 4 PB VCDUs Time DSS Reference RT Rcvd Events Comments Cause Pass (GMT) TFs # Lost from PPT 170-00:11 43 3 0 - Rate change - Lost S 3174 80-60bps TF[26593] 4 PB 01:01 VCDUs - Rate change 01:15 60-40bps - Lost TF [26604] 4 PB - Rate change VCDUs 40-32bps - Lost TF [26606] 4 PB VCDUs 170-14:54 14 1 0 - Rate change - Lost TF S 3175 80-40bps [26783] 2 PB & 1 Priority VCDUs 170-15:07 43 1 1 - Rate change - Lost TF S 3175 40-60bps [27100] 4 PB VCDUs **Recovered from .btd PPT file** 171-21:03 43 DR# 28 0 - High SNT - Lost TFs W 3176 A02744 caused by heavy [27201 & 27202, -> rain. 27204, 27207, 27223->27227, 172-00:59 27229, 27245->27253, 27257->27265] 108 PB & 4 Priority VCDUs 173-14:47 43 1 0 - Rate change - Lost TF S 3178 40-60bps [27737] 3 PB & 1 Priority VCDUs 176-11:26 14 - The playback - Lost TFs UPA 3181 was halted to [28453 -> -> 15:15 43 accommodate the 28501] 6 SOHO s/c Priority VCDUs emergency. 47 TFs were lost. 176-21:00 43 60 0 - The support - Lost TFs UPA 3181 was ended at [28599 -> -> 176/2100z to 28658] 233 PB & accommodate the 7 Priority 177-00:45 SOHO s/c VCDUs emergency. 177-03:37 63 39 0 - The support - Lost TFs UPA 3181 was ended at [28683 -> -> 0340z to 28721] 148 PB & accommodate the 8 Priority 177-08:03 SOHO s/c VCDUs emergency. 177-11:13 14 44 0 - The support - Lost TFs UPA 3182 was ended at [28753 -> -> 1115z to 28796] 115 PB & accommodate the 6 Priority 177-14:36 SOHO s/c VCDUs emergency. 178-10:35 14 2 0 - Rate change - Lost TF S 3183 40-60bps [29005] 4 PB 15:46 VCDUs - Rate change 60-40bps - Lost TF [29073] 4 PB V CDUs 178-16:13 14 1 0 - Unknown - Lost TF U 3183 [29077] 3 PB & 1 Priority VCDUs 178-18:09 14 1 0 - Rate change - Lost TF S 3183 40-32bps [29094] 4 PB VCDUs 180-14:24 43 DR# 6 6 - Excessive SPE - Lost TFs W 3185 A02764 at the BVR and [29588 -> -> 14:57 rain. 29593] 20 PB & 2 Priority VCDUs **Recovered from .fcd PPT file** 180-15:05 43 14 14 - All TFs lost - Lost TFs I 3185 due to an [29596->29598, -> 15:20 unspecified 29601->29603, internal JPL 29605-> 29608, 15:28 anomaly 29610-29613] 55 according to PB & 1 Priority -> 15:42 the VCDUs indications. 15:46 The TFs should **Recovered be recoverable from .fcd PPT -> 16:05 in the PPT. file** 16:09 -> 16:25 180-16:45 43 29 0 - Heavy rain - Lost TFs W 3185 and high SNT. [29620->29647, -> 18:21 29681] 113 PB & 3 Priority 20:13 VCDUs Time DSS Reference RT Rcvd Events Comments Cause Pass (GMT) TFs # Lost from PPT 184-07:40 14 DR# 19 0 - The - Lost TFs A 3189 G03891 subreflector [30598 -> -> 08:55 controller was 30617] 41 PB & fixed in 6 Priority pre-limits. The VCDUs station had to reset the controller to move the subreflector out of re-limits to the track position. 184-10:08 14 6 0 - The outages - Lost TFs A/PD 3189 were caused by [30634 -> -> 10:22 unscheduled 30636, 30642, uplink not 30647 & 30648] 10:44 covered by 24 PB VCDUs PWSfill, ref 11:07 DR# G03891, a failed uplink -> 11:16 sweep, unscheduled mode changes and the re-sweep necessitated by the failed uplink sweep. 186-16:37 43 DR# 19 0 - Heavy rain - Lost TF W 3191 A02776 and subsequent [31354] 3 PB & 17:04 high SNT. 1 Priority VCDUs -> 17:11 - Lost TFs 17:21 [31362 & 31363] 8 PB VCDUs -> 17:28 - Lost TFs 17:42 [31367 & 31368] 8 PB VCDUs -> 18:12 - Lost TFs 18:30 [31373 -> 31381] 35 PB & -> 18:36 1 Priority VCDUs 20:15 - Lost TFs -> 20:22 [31387 & 31388] 8 PB VCDUs 21:10 - Lost TFs [31418 & 31419] 8 PB VCDUs - Lost TF [31434] 4 PB VCDUs 189-07:37 14 DR# 75 0 - The - Lost TFs A 3194 G03904 Subreflector [32188 -> -> 13:43 was unable to 32262] 259 PB & move in the 12 Priority z-axis due to a VCDUs severed cable. 189-14:03 43 2 0 - The station - Lost TFs UPA 3194 was configured [32266 & 32269] 14:17 with diplexer 8 PB VCDUs in to accommodate real-time need for commanding. 189-15:33 43 1 0 - Unscheduled - Lost TF UPA 3194 mode change [32289] 4 PB back to 1-way. VCDUs 191-14:37 43 DR# 2 2 - The BTD was - Lost TFs S 3196 A02793 rebooted after [32823 & 32824] -> 14:44 a FCD1-BVR 8 PB VCDUs interface anomaly **Recovered in necessitated the .fcd PPT it. file** 192-07:12 63 1 0 - Rate change - Lost TF S 3196 60-40bps [33071] 4 PB VCDUs 192-14:13 43 1 0 - Rate change - Lost TF S 3196 60-80bps [33181] 4 PB VCDUs 192-23:06 43 2 0 - Rate change - Lost TFs S 3197 80-60bps [33337 & 33338] -> 23:15 8 PB VCDUs 194-08:35 63 1 0 - Rate change - Lost TF S 3198 60-40bps [33872] 4 PB VCDUs 195-23:08 43 1 0 - Rate change - Lost TF S 3200 80-60bps [34449] 4 PB VCDUs 196-10:28 14 1 0 - Rate change - Lost TF S 3201 60-80bps [34563] 1 Priority VCDU 196-16:43 43 1 0 - Rate change - Lost TF S 3201 80-120bps [34671] 4 PB VCDUs 197-09:40 14 DR# 3 0 - The - Lost TFs A 3202 G03932 autocollimator [34865, 34875 & -> 10:18 halted 34876] 12 PB operation VCDUs twice. The assembly was restarted to restore. Time DSS Reference RT Rcvd Events Comments Cause Pass (GMT) TFs # Lost from PPT 197-16:18 43 3 0 - Rate change - Lost TF S 3202 60-80bps [34966] 4 PB 20:28 VCDUs - Rate change 23:02 80-60bps - Lost TF [35039] 4 PB - Rate change VCDUs 60-40bps - Lost TF [35073] 4 PB VCDUs 197-06:45 14 FR# 18 18 - The TIS8 new - Lost TFs I 3203 100477 "restore [35147 -> -> 08:50 script" to 35164] 46 PB, reflect the new 10 RTS, & 12 map location Priority VCDUs for decom was inop. The TIS8 **Recovered was halted and from .fcd PPT restarted with file** an old script to restore operability. 198-13:30 43 2 0 - Rate change - Lost TF S 3203 60-80bps [35242] 4 PB 15:53 VCDUs - Rate change 80-120bps - Lost TF [35284] 3 PB & 1 RTS VCDUs NOTE - the E15 DMS playback ended at ~ 199/20:29z. NOTE - end of E15 sequence at 201/0537z TOTAL 417 41 Total Science 10301.5 Frames: Total Frames 15250 (including Fill): PP - Procedural (Project) Transfer Frames #s lost in brackets [.........] PD - Procedural (DSN) H - H/W Related/Failure A - Antenna Problem S - S/W Related UPA - Unscheduled project action SPA - Scheduled Project activity GCF- GCF hardware/software anomaly F - Facility problem (e.g. power failure) U - Unknown W - Weather (e.g. Parkes stow due to high winds) I - Internal JPL AMMOS anomaly JN - Jupiter Hot Body Noise SS - Solar Scintillation