POLAR Non-Recoverable Data (1996)

The following list shows the JPL/DSN (Jet Propulsion Laboratory / Deep Space Network) support periods with POLAR that have resulted in non-recoverable data loss at the DCF (Data Capture Facility).

This list is complete for year 1996.


                      LEVEL-0 DATA 

Support   Support  Equiv. Data   DR #       Problem
Period   Time Lost  Time Lost
DOY/HHMM   (Min.)    (Min.)
   
088/0330Z    2.4+     22.2     NA         TGC problem @ GDS
090/1643Z    0.4       2.8     NA         Unknown
094/1541Z   11.6     108.3     NA         Unknown
107/1659Z    0.4       2.9     NA         TGC Problems @ GDS
112/1714Z    0.7       5.2     NA         Reason Unknown
114/1806Z    0.9       7.2     L00214     Antennna Prob. @ MAD
117/2001Z    0.2       1.8     NA         Unknown
119/1311Z    0.4       3.2     G00440     Channel Prob. @ GDS
120/1510Z    0.6       5.6     A00232     Channel Prob. @ GDS
128/1936Z    7.9      72.4     G00479     TGC Prob. @ GDS
131/1117Z    0.9       7.0     NA         Degraded Data @ GDS
135/0653Z    0.4       3.0     NA         Degraded Data @ GDS
139/0520Z   31.9     293.7     L00281     Red Antenna @ MAD
143/1146Z    0.5       3.6     NA         Unknown
149/0420Z   15.4     141.2     N30567     Unknown
151/2158Z    9.9      90.2     N30579     Unknown 
161/0727Z    1.5      11.8     NA         Unknown
162/1800Z    8.5      75.8     NA         Red Antenna @ MAD
163/1946Z    2.0      18.5     L00362     Receiver Prob. @ MAD
173/1115Z    0.9       7.0     NA         Unknown
181/2135Z    0.2       1.7     NA         Unknown
190/2135Z    0.8       6.3     G00186     Patch prob. @ GDS
235/1808Z    0.9       9.6     NA         Unknown
274/1714Z   10.6      96.7     NA         Tape Recorder mismgmt
277/0227Z   28.9     240.5     NA         Tape Recorder mismgmt
282/1511Z    7.1      70.6     N41677     CDR crash at JPL
283/2320Z!   0.3       2.6     N41677     CDR crash at JPL
284/0218Z!  20.7     187.4     N41677     CDR crash at JPL
284/0842Z    0.9       8.9     N41706     CDR crash at JPL
297/0511Z   31.4     288.6     NA         CDR crash @ JPL
297/1312Z    4.3      40.0     NA         CDR crash @ JPL
298/0314Z   20.2     185.8     NA         CDR crash @ JPL
298/2304Z    4.9      45.5     NA         CDR crash @ JPL
300/0302Z    4.6      39.9     NA         Unknown
300/0513Z   15.7     144.4     NA         Unknown
300/2049Z   11.0     101.4     NA         CDR crash @ JPL
301/2114Z   32.1     299.9     NA         CDR crash @ JPL
307/0600Z   12.4      93.6     L00683     Station Problem
307/1140Z   19.9     119.9     G01340     SCP Problem
309/2118Z   15.2     139.9     NA         Unknown
314/0032Z   11.7     104.5     L00696     TGC problem
314/2110Z   18.3     165.9     L00700     TGC problem
315/2110Z   32.6     290.4     G01373     Unknown
333/0809Z    0.2       1.9     NA         Unknown
344/1411Z    0.4       5.9     G01519     Channel prob.
350/0858Z    0.3       2.9     NA         Unknown
350/1730Z    5.8      53.6     NA         Pipeline prob.
366/0948Z    0.2       1.7     NA         Unknown


PWI WIDEBAND DATA Support Support Equiv. Data DR # Problem Period Time Lost Time Lost DOY/HHMM (Min.) (Min.) 085/1050 11.0 11.0 G00265 Switched TGC @ GDS 086/0600 28.0 28.0 G00268 Switched Channel @ GDS 087/0101 47.0 47.0 G00277 Channel Problems @ GDS 087/1500 51.0 51.0 NA Hits on data @ GDS 087/1605 22.5 22.5 A00168 TGC problems @ CAN 087/1727 60.9 60.9 NA Unknown 089/1532+ 39.0 39.0 NA Unknown 091/0900 11.0 11.0 G00294 Switched TGC @ GDS 091/1243 10.1 10.1 L00166 Receiver Haulted @ MAD 092/1640 12.0 12.0 NA Unknown 094/0450 8.9 8.9 NA Problems @ GDS 094/1045 60.9 60.9 NA Unknown 095/0335 4.7 4.7 A00190 Incorrect Dest. code 095/1455 30.0 30.0 NA Unknown 097/0300 30.2 30.2 G00314 TGC failure @ GDS 098/0430 2.5 2.5 G00399 TGC Problems @ GDS 100/0744 7.3 7.3 NA Reason Unknown 100/0930 19.0 19.0 NA Reason Unknown 110/0743 2.9 2.9 NA Station problems @ GDS 110/1840 12.9 12.9 G00394 SPC problems @ GDS 112/1757 6.9 6.9 G00404 Station problems @ GDS 114/0000 5.4 5.4 L00208 TGC prob. @ MAD 114/2252 8.8 8.8 G00419 VME bit sync prob. @ GDS 115/0852 4.8 4.8 G00421 Station prob. @ GDS 116/0300 1.3 1.3 G00428 Antenna prob. @ GDS 117/2100 1.7 1.7 G00435 Cable prob. @ GDS 118/1409 3.7 3.7 G00438 Station prob. @ GDS 121/0800 1.5 1.5 G00445 Bit sync prob. @ GDS 122/0230 1.7 1.7 L00227 Receiver dropout @ MAD 123/1724 3.4 3.4 G00453 SCP problems @ GDS 125/0553 3.7 3.7 NA Unknown 125/2154 3.0 3.0 NA Unknown 127/0827 1.5 1.5 L00250 SFG fault @ GDS 130/2344 1.8 1.8 A00261 Degraded data @ CAN 133/1612 3.7 3.7 L00262 Degraded Data @ MAD 139/1900 85.7 85.7 G00534 TGC prob. @ GDS 141/0707 1.8 1.8 NA Unknown 142/1858 3.1 3.1 G00547 Antenna halt @ GDS 145/1218 1.9 1.9 NA Problems @ CAN 148/0804 2.9 2.9 NA Unknown 148/1344 10.1 10.1 NA Bit slips @ GDS 149/1900 39.6 39.6 L00318 Station prob. @ MAD 151/1415 5.9 5.9 G00599 TCA prob. @ GDS 155/2048 0.9 0.9 NA Unknown 163/0033 9.6 9.6 G00668 Antenna prob. @ GDS 168/2128 1.6 1.6 L00375 Station prob. @ MAD 175/0145 60.0 60.0 L00388 Down data line @ sta. 177/0614 1.0 1.0 NA Unknown 178/0908 3.4 3.4 NA Unknown 183/0801 1.8 1.8 NA Unknown 185/1757 1.9 1.9 NA Unknown 190/0044 13.8 13.8 G00812 SCP/Data Outage @GDS 194/0354 6.3 6.3 L00424 Recvr lost lock @ MAD 203/1640 4.9 4.9 NA Interference with SOHO 204/2058 6.9 6.9 A00447/8 TGC & PA failure @ CAN 205/0409 1.5 1.5 NA Unknown 220/0058 2.9 2.9 G00946 Station Prob. 224/1521 7.0 7.0 A00485 TGC Failure 225/0138 5.3 5.3 G00976 Antenna Halted @ GDS 229/1316 2.1 2.1 NA Unknown 230/1600 24.1 24.1 G01015 TGC prob. @ GDS 235/2212 3.5 3.5 G01047 Data hits @ GDS 241/0129 2.5 2.5 G01073 Antenna out of Pred. 248/1419 10.7 10.7 L00556 Antenna prob. @ D-66 253/1439 3.8 3.8 NA Unknown 253/1710 74.2 74.2 NA Bad data on CDR @ JPL 255/2032 120.6 120.6 NA Bad CDR disk @ JPL 269/1849 2.4 2.4 G01187 Expired predicts @ sta. 274/0024 2.9 2.9 NA Scheduling errors 276/0354 7.4 7.4 L00614 Station prob @ D-66 276/2258 6.1 6.1 G001214 Antenna off point 286/0001 95.0 95.0 N41716 CDR crash at JPL 287/0307 5.3 5.3 N41650 Intermit. lock on data 298/2346 6.8 6.8 G01296 Transmitter Prob. 300/0352 2.4 2.4 NA Unknown 305/1211 1.3 1.3 NA Unknown 307/0050 2.6 2.6 NA Unknown 313/2399 4.2 4.2 L00696 TGC-2 prob. @ Sta. 314/0227 11.2 11.2 L00696 TGC-2 prob. @ Sta. 320/2357 3.1 3.1 G01389 Predicts out @ GDS 324/1558 1.9 1.9 G01410 Problem @ D-16 340/2114 5.7 5.7 NA Unknown 348/2040+ 4.9 4.9 NA Unknown 349/0657+ 2.8 2.8 NA Unknown 358/0215 2.8 2.8 J01588 Station problems 360/0848 8.9 8.9 NA Unknown
* Not included with total or weekly data loss + Rx ! Reprocessed Data


donald-gurnett@uiowa.edu, project PI
pickett@uiowa.edu, project manager

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