GE/JCM- 12/13/96R1 C3 Science Data Losses 307-16:44 ---> 350-00:50; Lost TFs in brackets[.....] Changes in Bold Time (GMT) DSS Reference RT Rcvd Events Comments Cause Array TFs Ops Lost from Related? PPT 308-01:47 43 DR#A00718 2 0 - 80-->120BPS - Remaining transfer PD/W Yes Frames captured in spite 49 DR#A00716 - Parkes Late of Parkes late acquisition acquisition (03:00Z) - Lost Tfs[37984, 37985] - FSR rack power cycle by mistake - Antenna to stow for winds 308-23:51 43 DR#G01344 3 0 - DSS-14 - Lost Tfs PP No switched to low [38225-->38227] Noise 309-01:43 43 DR#A00720 9 0 - FSC halted at - Parkes/Canberra com S/H Yes Parkes BOT link problem; Switch to DR#A00721 backup microwave link, - BTD indicated and alternate router. wrong bit rate - DGT S/W constraint: - FSC/BTD Rate changes at BOT Reboot to recover - Lost Tfs [38248-->38256] 309-05:37 43 DR#A00722 3 0 - Transmitter - 1 TR lost at 2w-->1W A No Trip [38309] 309-06:32 - 2 TR lost at 1W-->2W [38321,38322] 310-01:08 43 DR#A00725 11 0 - DGT/GTC - Lost TFs PD Yes reboot by [38444-->38454] mistake 310-18:27 63 1 0 - DSS-63 LOS - Cause unknown; Lost U No before fill TFs [38641] 310-23:30 14 DR#No41805 18 0 - 32-->40 bps - Rate changes missing PP No rate change in keyword file from 43 DR#A00730 Project - Incorrect rate changes - Lost TFs Predicts [38666--.38685] 311-23:12 43 DR#A00732 25 0 - 20-->32 bps - Rate change too close S Yes rate change to DSS-43 BOT; DGT 311-23:51 cannot handle rate - DSS-43 BOT change that soon after start - Workaround: start DGT 5 minutes before BOT - Lost TFs [38901-->38902; 38905-->38927] 312-04:00 43 2 1 - C3 FT Sci - Cause unknown; Lost U No Turn #1 (15 deg TFs [38966-->38967] off Earth) 312-08:47 43 1 0 - Cause unknown - Lost U U TFs [39008] 312-11:18 43 1 0 - DSS-43 LOS - Cause unknown; - Lost U U before Fill TFs [39026] 312-22:55 14 1 0 - 8--32 bps - Cause unknown; - Lost U U rate change TFs [39047] 313-03:40 43 1 1 - 80-->60 bps - Cause unknown; - TF U U rate change [39109] recovered in PPT 313-06:19 43 DR#A00737 14 14 - BTD halt & - TFs [39144-->39157] S Yes Reload recovered in PPT 315-01:11 43 DR#A00742 51 0 - Parkes to - DSS-43 SNT 30-40 deg K W/A Yes stow (High (Cause unknown) 315-06:09 DR#A00743 Winds) - Lost TFs DR#A00744 - High DSS-43 [39344->39346; SNT (Low SNR) 39359->64; - FSC halt & 39366->71; 39373; reboot after 39381->92; 39394->97; Parkes on-point 39400; 39402->06; 39409->10, 39412->23] 315-22:23 14 DR#G01365 4 - DSS-14 Late - Late Acquisition with H No Acquisition Channel 1 (BVR) Only (GTC/BTD Red) - Lost TFs [~39460->72; 39476, ~4 non fill tbd] 315-23:04 14 DR#G01365 1 - 20-->32 bps - DSS-14 BDT (DGT H No rate change channel 2) down (See above) - Per design, DGT channel 1 (BVR) will lose lock on rate changes; - Lost TFs [39476] Time (GMT) DSS Reference RT Rcvd Events Comments Cause Array TFs Ops Lost from Related? PPT 316-01:20 43 1 0 - 60-->80 bps - Cause unknown; - Lost U U rate change TFs [39501] 316-10:03 43 DR#N41839 1 0 - 80-->40 bps - Incorrect Keyword file PD No rate change not used to generate in predicts predicts - Lost TFs [39654] 316-22:58 14 1 0 - 4 deg off - Cause unknown; - Lost U No Earth point TFs [39723] (21:26 -->23:30) 317-00:01 43 1 0 - Rate change - Cause unknown; - Lost U U 60-->80bps TFs [39734] 317-01:40 43 1 0 - Rate change - Cause unknown; - Lost U U 80-->120bps TFs [39764] 317-20:10 14 DR#G01374 4 0 - Subreflector - Holding pin had to be A No problem manually removed to fix - Lost TFs [39985-->39988] 318-01:14 43/49 DR#A00753 2 0 - Parkes out/in - Lost TFs [40041, W Yes of array due to 40042] high winds 318-04:52 43/49 DR#A00753 1 0 - Parkes - Lost TFs [40123] W Yes removed from array due to winds 320-01:08 43/49 2 0 - Rate change - Rate change just after S Yes 80--->120 bps ParkesBOT at 01:11 - Lost TFs [40526, - Parkes BOT at 40527] 01:10 321-01:06 43 2 0 - Rate Change - Rate change just after S Yes 80-->120bps ParkesBOT @01:07 - Lost TFs [40813-, - Parkes BOT 40814] @01:05 322-01:04 43/49 DR#A00765 6 0 - Parkes in/out - Parkes to stow 01:08 W Yes of Array (High (~BOT); [41109-->40911] - 03:59 Winds) - 1 TF lost as Parkes - Rate Change stowed @~02:27; [41145] 80-->120bps @01:07 (3 TFs - 2 TF lost as Parkes lost) stowed @~03:52; [41176->77] 323-00:58 49/49 DR#A00771 4 0 - SPD Maser in - Parkes late to point W/A Yes use (Ultra cone due to High winds; -02:51 DR#A00773 Red) [41406->07] DR#A00772 - Parkes in/out - 2 TF lost as Parkes of array due to stowed @ ~02:46 winds [41453->54] - Rate Change 80-->120bps @01:01 (2 TFs lost) 324-0057 43 DR#A00771 1 0 - SPD Maser - Rate change just after S Yes used (Ultracone Parkes BOT DR#A00778 Red) - Lost TFs [41695] - Rate Change 80-->120 bps @00:57 - Parkes BOT @00:55 324-19:19 14 1 0 - AOS 13 - Cause unknown; -Lost U No minutes after TFs [41936] end of Fill(~19:06) 325-00:55 43 DR#A00783 1 0 - Rate Change - Rate change just after S Yes 80-->120 bps Parkes BOT; [41999] @00:57 - Parkes power failure - Parkes BOT @ (off point) @ 03:25 no 0055 lost TF 325-14:21 63 1 0 - 1W-->2W - Specific cause S No transition unknown; but rate change during DGT acquisition - 20-->32bps (10 min or 1 TF) is rate change at newly understood DGT 14:10 constraint - AOS 5 minutes - Lost TFs [42196] after Fill end @ 14:18 326-00:48 43 DR#A00783 1 0 - Rate Change - Rate change just after S Yes 80-->120 bps Parkes BOT @00:50 - Lost TFs [42287] - Parkes BOT at 00:50 326-02:33 43 DR#A00787 41 0 - BTD halt and - Outage from S Yes reboot 02:33-->04:43; Lost TFs [42333->73] - Rate change 120-->80bps at - 14 EOT @03:00, 45 BOT 02:54 @02:55 Time (GMT) DSS Reference RT Rcvd Events Comments Cause Array TFs Ops Lost from Related? PPT 327-00:45 43 DR#A00791 9 0 - Rate Change - Rate change just after S/W Yes 80-->120 bps Parkes BOT -01:14 @00:46 - Parkes predicts timing - Parkes BOT at being investigated 00:45 - Lost TFs [42588->95; - Heavy rain 42600] 327-01:21 49 DR#A00790 7 0 - Parkes in/out - Lost TFs [42604, W Yes of array due to 42655-->56, 42665-->66, -04:54 winds 42678-->79 (01:24-->04:58) 327-23:14 14 DR#G01428 15 0 - Goldstone - Lost TFs [42852->66] F No power failure 328-00:50 43 DR#G01428 2 0 - Rate Change - Rate change just after F No 80-->120 bps Parkes BOT @00:51 - Unplanned 1W-->2W due - Parkes BOT at to power failure (see 00:50 above); -Lost TFs [42880, 42881] - 3W-->1W transition (Unplanned) 328-01:08 43 6 0 - FSC Restart - Lost TFs S Yes [42888-->42893] 328-03:26 43 DR#G01428 6 0 - 1W-->3W - Post 14 power restore F No transition and Tx on [42943->42948] (Unplanned) 328-11:09 43 1 0 - DSS-43 LOS - Cause unknown; -Lost U U before fill TFs [~43064] 329-00:42 43 1 0 - Rate Change - Rate change just after S Yes 80-->120 bps Parkes BOT; [43182] @00:42 - Parkes BOT at 00:40 330-00:40 43 2 0 - Rate Change S Yes 80-->120 bps DR#A00797 @00:42 - Parkes setup had PD incorrect DOY; 43487, - Parkes in 43488] array late (01:05) 330-01:47 43/49 DR#A00797 2 0 - Parkes FSR - Possibly related to H/S Yes rephase & above? ; [43516, 43517] reboot 330-02:07 43/49 DR#A00797 2 0 - Parkes - See above; -Lost TFs H/S Yes re-inserted [43525, 43526] into array after reboot 330-09:06 43 DR#00800 6 0 - DGT halt and - Disk full/Files from PD No restart previous pass not deleted - Lost TFs [43649-->43654] 331-01:58 43/49 DR#A00803 70 0 - Parkes - Maser/coolant problem A/W/S Yes Antenna to stow -> 06:31 DR#A00804 (Winds) - Lost TFs [43790->92,43798->43853 DR#A00805 - SPD maser not , 43855->69 performing as expected less ~4 Fill TFs tbd - Parkes router halted/reset 331-18:05 63 ~2 0 - LOS 20 - Lost TFs [43942,43943] U No minutes before fill 331-20:52 14 DR#G01445 ~2 0 - AOS 14 - Subreflector left in A No minutes after wrong position after fill end due to GSSR support; [43949, sub-reflector 43950] problem 332-00:14 14/43 DR#G01447 7 0 - DSS-14 - 1 TR lost at 2w-->1W A No Transmitter [43985] Trip - 6 TR lost at 1W-->2W [43988-->43993] 332-09:14 43 ~15 0 - EOT/LOS 1h - Project (FCSO/SSO) PP No 40m before fill released time to VGR2 - Lost TFs [44162-->44176] 333-03:51 43 3 0 - 43 LOS before - 2W-->1W transition PP No fill (7 min) earlier than planned due to Project RFS-TLC test - 2W-->1W [44354-->56] transition 336-18:41 14 1 1 - 14 AOS after - Cause Unknown [45414] U U fill (10 min) 337-13:00 63 ISA-10770 1 0 - FCD hung & - Lost TF [45677] S No restarted 338-01:36 43 DR#A00826 3 0 - Parkes Stow - Lost TFs [45802-->04] W Yes due to winds as Parkes stowed(01:36) 01:36->06:27 Time (GMT) DSS Reference RT Rcvd Events Comments Cause Array TFs Ops Lost from Related? PPT 339-00:11 43/49 DR#A00831 2 0 - Parkes BOT - "FSR anomaly" result F/PD? Yes @00:10, but FSR of RFI at Parkes; RFI late signal disappeared later in detect & pass, cause unknown DR#A00830 incorrectly indicated a - Lost TFs [46063,46064] carrier (i.e. safe mode) - Parkes in/out of array later during pass (post - 80-->120 bps outage) rate change at 0011 - Parkes to stow at 00:28 341-03:54 43/49 DR#A00838&44 44 0 - Parkes stow - TFs lost [46632->36; W Yes BOT->03:53 & 46644->45; 46679->83, ->10:15 DR#A00843 06:41->09:00 46685->46706; A 46712->46718; 46729->31 DR#A00845 - Heavy rains & lightning - DSS-42 stow from 06:25->07:14 due to Subreflector problem; 341-03:34 43 1 0 - 2w-->1w - 43 LOS before Fill; PP? No transfer Lost TF [46908] - Duration of Freq-shift not in TLMGEN? 343-17:02 63 3 3 - 32-->20 bps - 63 LOS? before Fill; U No Rate change Lost TFs [37345-->47]; recovered in PPT - 63 EOT 344-01:09 43/49 DR#A00851 4 0 - Parkes Stowed - Missed TFs [47424, W Yes due to winds 47425, 47427, 47428] ---->01:20 (01:10->01:44; 02:55-->03:37) 346-03:20 43 1 0 - 2W-->1W - 43 LOS before fill; PP? No transfer Lost TF [47997] - Duration of Freq-shift not in TLMGEN? 350-00:50 End of C-3 sequence TOTAL 452 21 Total Frames 11061 (including Fill): PP - Procedural (Project) Transfer Frames #s lost in brackets [.........] PD - Procedural (DSN) F - Facility problem (e.g. power failure) H - DGT H/W Related/Failure U - Unknown A - Antenna Problem W - Weather (e.g. Parkes stow due to high winds) S - DGT S/W Related; Error or newly understood idiosyncracy/workaround/constraint