                                                                GE 11/24/98

                          E17 Science Data Losses

268-04:33 - 325-12:38; Lost TFs in brackets[.....] Changes in Bold

 Time       DSS  Reference     RT  Rcvd Events           Comments      Cause    Pass
 (GMT)                        TFs                                               #
                             Lost  from

                                    PPT

 268-16:49   43                 1     0 - Rate change    - Lost TF           S  3273
                                        80-60bps         [63518] 4
                                                         RTS VCDUs

 272-03:49   14                 1     0 - Rate change    - Lost TF           S  3277
                                        80-120bps        [64841] 4 PB
                                                         VCDUs

 272-07:49   43                 1     1 - Unknown        - Lost TF           U  3277
                                                         [64946] 4 PB
                                                         VCDUs

 272-23:14   63                 6     6 - The Telenex    - Lost TFs          S  3277
                                        switch in GCF20  [65232 &
 -> 23:32                               went down        65233, 65235
                                        during a         -> 65238] 24
                                        scheduled        PB VCDUs
                                        upgrade. The
                                        old software
                                        was reloaded to
                                        restore
                                        operability.

 273-07:44   43                 3     3 - Unknown        - Lost TFs          U  3278
                                                         [65418 ->
 -> 07:55                                                65420] 12 PB
                                                         VCDUs

 273-08:25   43                 1     0 - Rate change    - Lost TF           S  3278
                                        80-120bps        [65430] 4 PB
                                                         VCDUs

 274-03:23   14                 1     0 - Rate change    - Lost TF           S  3279
                                        80-120bps        [318] 4 PB V
                                                         CDUs

 274-08:22   43                 2     0 - Rate change    - Lost TF           S  3279
                                        80-120bps        [442] 4 PB
 17:22                                                   VCDUs
                                        - Rate change
                                        120-80bps        - Lost TF
                                                         [728] 4 PB
                                                         VCDUs

 274-        63                 1     0 - Rate change    - Lost TF           S  3279
 21:30                                  80-120bps        [805] 4 PB
                                                         VCDUs

 276-03:16   14                 1     0 - Rate change    - Lost TF           S  3281
                                        80-120bps        [1397] 4 PB
                                                         VCDUs

 276-08:11   43                 1     0 - Rate change    - Lost TF           S  3281
                                        80-120bps        [1502] 4 PB
                                                         VCDUs

 277-21:50   63                 1     0 - Rate change    - Lost TF           S  3282
                                        80-120bps        [2416] 4 PB
                                                         VCDUs

 278-08:00   43                 1     0 - Rate change    - Lost TF           S  3283
                                        80-120bps        [2610] 4 PB
                                                         VCDUs

 278-12:03   43  DR# A2986     55     0 - The antenna    - Lost TFs          A  3283
                                        was at brake     [2735 ->
 -> 13:36                               for "film        2789] 217 PB
                                        height" alarm.   & 3 Priority
                                        The debris was   VCDUs
                                        cleared and the
                                        antenna
                                        movement
                                        resumed at
                                        13:25Z.

 278-17:01   43                 5     0 - Inclement      - Lost TFs          W  3283
                                        weather          [2894 &
 -> 17:55                                                2895, 2897,
                                                         2909 & 2910]
                                                         20 PB VCDUs

 279-01:12   14                 1     1 - Late AOS       - Lost TF           U  3284
                                        reason unknown   [3026] 2
                                                         Priority
                                                         VCDUs

 279-08:01   43                 1     0 - Rate change    - Lost TF           S  3284
                                        80-120bps        [3179] 4 PB
                                                         VCDUs

 280-03:09   14                 1     0 - Rate change    - Lost TF           S  3285
                                        80-120bps        [3559] 4 PB
                                                         VCDUs

 281-07:56   43                 1     0 - Rate change    - Lost TF           S  3286
                                        80-120bps        [4133] 4 PB
                                                         VCDUs

 281-14:25   43                 1     0 - Rate change    - Lost TF           S  3286
                                        160-120bps       [4338] 4 PB
                                                         VCDUs

 281-16:46   43                 2     0 - Rate change    - Lost TF           S  3286
                                        80-40bps         [4418] 3 PB
 -> 16:52                                                VCDUs

 Time       DSS  Reference     RT  Rcvd Events           Comments      Cause    Pass
 (GMT)                        TFs                                               #
                             Lost  from

                                    PPT

 282-07:55   43                 1     0 - Rate change    - Lost TF           S  3287
                                        80-20bps         [4665] 4 PB
                                                         VCDUs

 283-03:29   14                 1     0 - Rate change    - Lost TF           S  3288
                                        80-120bps        [5076] 4 PB
                                                         VCDUs

 283-07:55   43                 1     0 - Rate change    - Lost TF           S  3288
                                        80-120bps        [5184] 4 PB
                                                         VCDUs

 283-14:52   43  DR#            7     0 - The BVR-FCD1   - Lost TFs         S   3288
                 A02999                 communications   [5367 &
 -> 16:44                               interface        5368, 5373,   non-DGT
                                        failed           5378, 5392 &
                                        sporadically.    5393, 5413]
                                        The RCC was      27 PB & 1
                                        reloaded to      Priority
                                        restore          VCDUs
                                        operability.

 283-15:58   43  DR#            6     0 - FSR1 halted    - Lost TFs          S  3288
                 A02998                 operation with   [5396 ->
 -> 16:12                               a "tone rotator  5401] 24 PB
                                        error. The FSR   VCDUs
                                        was rebooted to
                                        restore after
                                        the BVR-RCC
                                        interface
                                        failed as well
                                        thereby halted
                                        all tlm output.

 283-16:28   43                 2     1 - Rate change    - Lost TFs          S  3288
                                        120-80bps        [5409 &
 -> 16:34                                                5410] 8 PB
                                                         VCDUs

                                                         **TF [5410]
                                                         recovered, 4
                                                         PB VCDUs

 284-07:55   43                 1     0 - Rate change    - Lost TF           S  3289
                                        80-120bps        [5674] 4 PB
                                                         VCDUs

 285-04:05   14                 1     0 - Rate change    - Lost TF           S  3290
                                        80-120bps        [6092] 4 PB
                                                         VCDUs

 285-07:21   14                 1     1 - Rate change    - Lost TF           S  3290
                                        120-80bps        [6178] 4 PB
                                                         VCDUs

 285-10:21   14                 3     3 - Rate change    - Lost TFS          S  3290
                                        80-60bps         [6231 ->
 -> 10:34                                                6233] 11 PB
                                                         & 1 Priority
                                                         VCDUs

 285-17:17   63                 1     1 - Unknown        - Lost TF           U  3290
                                                         [6294] 4
                                                         Priority
                                                         VCDUs

 285-19:14   63                 1     0 - Rate change    - Lost TF           S  3290
                                        60-80bps         [6318] 4 PB
                                                         VCDUs

 286-00:35   63                 1     0 - Rate change    - Lost TF           S  3290
                                        80-60bps         [6412] 4 PB
                                                         VCDUs

 287-02:56   63                 1     0 - Rate change    - Lost TF           S  3291
                                        60-40bps         [6810] 2 PB
                                                         VCDUs

 287-10:35   14                 1     0 - Rate change    - Lost TF           S  3292
                                        60-40bps         [6941] 3 PB
                                                         VCDUs

 289-21:00   63                 1     0 - Rate change    - Lost TF           S  3294
                                        60-80bps         [7694] 4 PB
                                                         VCDUs

 292-00:44   14                 1     1 - Rate change    - Lost TF           S  3297
                                        40-60bps         [8393] 4 PB
                                                         V CDUs

 292-03:01   14                 1     0 - Rate change    - Lost TF           S  3297
                                        60-80bps         [8423] 4 PB
                                                         VCDUs

 292-07:25   14                 1     1 - Rate change    - Lost TF           S  3297
                                        80-60bps         [8502] 4 PB
                                                         VCDUs

 292-17:05   63                 1     1 - Rate change    - Lost TF           S  3297
                                        40-60bps         [8596] 3 PB
                                                         & 1 Priority
                                                         VCDUs

 293-17:05   63                 1     1 - Rate change    - Lost TF           S  3298
                                        40-60bps         [8941] 7 PB
                                                         & 1 Priority
                                                         VCDUs

 296-00:35   14                 1     1 - Rate change    - Lost TF           S  3301
                                        40-60bps         [9704] 4 PB
                                                         VCDUs

 296-18:24   63  DR# L2590      4     1 - The uplink     - Lost TFs         PD  3301
                                        was performed    [9902,
 19:27                                  in the water     9915->9917]
                                        load. A resweep  12 PB & 3
 -> 19:36                               was necessary    Priority
                                        to lock the s/c  VCDUs
                                        receivers.
                                                         ** TF [9915]
                                                         recovered 4
                                                         PB VCDUs

 Time       DSS  Reference     RT  Rcvd Events           Comments      Cause    Pass
 (GMT)                        TFs                                               #
                             Lost  from

                                    PPT

 298-19:00   63                10     0 - The HTX was    - Lost TFs        UPA  3303
                                        in the link at   [10533 ->
 -> 19:35                               project          10542] 39 PB
                                        request. The     & 1 Priority
                                        support was      VCDUs
                                        scheduled d/l
                                        only and
                                        insufficient
                                        margin existed
                                        for data
                                        recovery after
                                        the HTX was
                                        added to the
                                        link.

 298-23:40   63                 1     0 - Rate change    - Lost TF           S  3303
                                        80-40bps         [10615 ] 4
                                                         PB VCDUs

 299-00:05   14                 1     1 - Rate change    - Lost TF           S  3304
                                        40-60bps         [10619] 4 PB
                                                         VCDUs

 299-16:49   63                 1     0 - Unknown. The   - Lost TF           U  3304
                                        station AOS'd    [10823] 1
                                        late.            Priority
                                                         VCDU

 301-09:25   14                 1     0 - Rate change    - Lost TF           S  3306
                                        60-40bps         [11440] 2 PB
 -> 09:36                                                VCDUs

 302-09:24   14                 1     0 - Rate change    - Lost TF           S  3307
                                        60-40bps         [11779] 3 PB
                                                         VCDUs

 303-09:22   14                 1     0 - Rate change    - Lost TF           S  3308
                                        60-40bps         [12122] 1 PB
                                                         VCDU

 305-09:16   14                 1     0 - Rate change    - Lost TF           S  3310
                                        60-40bps         [12790] 1 PB
                                                         VCDU

 305-16:18   63                 1     1 - Rate change    - Lost TF           S  3310
                                        40-60bps         [12852] 4 PB
                                                         VCDUs

 305-23:35   14                 1     0 - Rate change    - Lost TF           S  3311
                                        40-60bps         [12971] 4 PB
                                                         VCDUs

 307-06:40   14  DR# G4248      7     0 - Antenna went   - Lost TFs          A  3312
                                        to brake with    [13407 ->
 -> 07:04                               "red film        13413] 28 PB
                                        height" alarm.   VCDUs
                                        The debris was
                                        cleared to
                                        restore
                                        operability.

 307-09:06   14                 1     0 - Rate change    - Lost TF           S  3312
                                        60-40bps         [13447] 1 PB
                                                         VCDU

 307-22:33   63  DR# L2617     14     1 - Rain           - Lost TFs          W  3312
                                                         [13647&
 -> 00:16                                                13648,
                                                         13650, 13653
                                                         -> 13655,
                                                         13659 ->
                                                         13664, 13674
                                                         -> 13676] 54
                                                         PB & 2
                                                         Priority
                                                         VCDUs
                                                         [TF13660
                                                         recovered]

 308-06:47   14  DR #           2     0 - Antenna went   - Lost TFs          A  3313
                 G4256                  to brake with    [13788 &
 -> 06:53                               "red film        13789] 8 PB
                                        height" alarm.   VCDUs
                                        The debris was
                                        cleared to
                                        restore
                                        operability.

 308-17:44   63  DR# L2627      4     4 - The GTC        - Lost TFs          S  3313
                                        halted tlm       [13977,
 -> 18:05                               output. The GTC  13980 ->
                                        was rebooted to  13982] 15 PB
                                        restore.         & 1 Priority
                                                         VCDUs

 308-20:35   63  DR# L2628      8     0 - Antenna went   - Lost TFs          A  3313
                                        off point. The   [14027 ->
 -> 21:02                               ACS was reboot   14034] 31 PB
                                        to restore.      & 1 Priority
                                                         VCDUs

 310-01:03   14                 4     0 - Rate change    - Lost TFs          S  3315
                                        60-80bps         [14470 ->
                                                         14473] 16 PB
                                                         VCDUs

 310-08:56   14                 1     0 - The TF was     - Lost TF           U  3315
                                        missed prior to  [14606] 2 PB
                                        EOT              VCDUs

 310-19:52   63                 1     1 - Rate change    - Lost TF           S  3315
                                        60-80bps         [14718] 4 PB
                                                         VCDUs

 311-08:18   14                 1     0 - Rate change    - Lost TF           S  3316
                                        80-60bps         [14925] 4 PB
                                                         VCDUs

 313-07:02   43  DR# A3073     14     0 - Antenna to     - Lost TFs          S  3318
                                        brake with       [15606 &
 -> 15:22                               "Film height"    15607, 15623
                                        alarm            & 15624,
                                                         15652 &
                                                         15653,
                                                         15673,
                                                         15722,
                                                         15731,
                                                         15748,
                                                         15766,
                                                         15782, 15809
                                                         & 15810] 55
                                                         PB & 1
                                                         Priority
                                                         VCDUs

 Time       DSS  Reference     RT  Rcvd Events           Comments      Cause    Pass
 (GMT)                        TFs                                               #
                             Lost  from

                                    PPT

 313-20:57   63  DR# L2652      2     0 - The first u/l  - Lost TFs          U  3318
                                        sweep failed to  [15888 &
 -> 21:04                               get into the     15889] 7 PB
                                        s/c. A resweep   & 1 Priority
                                        was performed    VCDUs
                                        to establish
                                        2-way.

 314-04:30   43  DR# A3076     21     0 - The antenna    - Lost TFs          A  3319
                                        was red at BOT.  [16042 ->
 -> 07:10                               The antenna      16063] 80 PB
                                        encoders needed  & 4 Priority
                                        to be reset to   VCDUs
                                        allow movement.

 314-08:07   43  DR# A3077     11     0 - Antenna to     - LostTFs           A  3319
                                        brake with       [16088,
 -> 15:08                               "Film height"    16216, 1622
                                        alarm            -> 16228,
                                                         16258 &
                                                         16259] 43 PB
                                                         & 1 Priority
                                                         VCDUs

 315-05:49   43  DR# A3083      6     0 - Antenna to     - Lost TFs          A  3320
                                        brake with       [16487,
 -> 08:18                               "Film height"    16497,
                                        alarm            16512, 16544
                                                         -> 16546] 24
                                                         PB VCDUs

 315-20:58   63                30     0 - The station    - Lost TFs         SE  3320
                                        was pulled off   [16750 ->
 -> 23:19                               of Galileo to    16779] 116
                                        support a DS-1   PB & 4
                                        emergency.       Priority
                                                         VCDUs

 316-06:13   43  DR# A3091     35     0 - Heavy rain     - Lost TFs          W  3321
                                                         [16873 &
 -> 13:35                                                16874, 16978
                                                         -> 16995,
                                                         17009 ->
                                                         17012, 17014
                                                         -> 17018,
                                                         17026 ->
                                                         17027, 17061
                                                         -> 17064]
                                                         136 PB & 4
                                                         Priority
                                                         VCDUs

 316-        63                 6     0 - Unscheduled    - Lost TFs        UPA  3321
 21:57                                  command          [17199,
                                        activity to      17206, 17225
 -> 23:37                               halt the         -> 17228] 24
                                        playback in      PB VCDUs
                                        response the
                                        VGR2 request
                                        for DSS43
                                        support.

 321-09:12   43  DR# A3110      7     0 - Rain           - Lost TFs          W  3326
                                                         [19050 ->
 -> 09:24                                                19054, 19133
                                                         & 19134] 26
 12:21                                                   PB & 2
                                                         Priority
 -> 12:26                                                VCDUs

 321-12:57   43                 1     0 - Rate change    - Lost TF           S  3326
                                        120-80bps        [19149] 4 PB
                                                         VCDUs

 322-06:15   43                 1     0 - Rate change    - Lost TF           S  3327
                                        80-120bps        [19469] 4 PB
                                                         VCDUs

 322-07:37   43  DR# A3115      8     0 - Rain           - Lost TFs          W  3327
                                                         [19476 ->
 -> 07:51                                                19481, 19584
                                                         & 19585] 32
 11:43                                                   PB VCDUs

 -> 11:48

 323-00:43   43                 1     0 - Rate change    - Lost TF           S  3328
                                        60-80bps         [19804] 4 PB
                                                         VCDUs

 323-06:26   43                 1     0 - Rate change    - Lost TF           S  3328
                                        80-120bps        [19903] 4 PB
                                                         VCDUs

 323-09:44   43                 2     0 - Unknown        - Lost TFs          U  3328
                                                         [19990 &
 -> 09:49                                                19991] 7 PB
                                                         & 1 Priority
                                                         VCDUs

 323-12:28   43                 1     0 - Rate change    - Lost TF           S  3328
                                        120-80bps        [20062] 4 PB
                                                         VCDUs

 323-14:45   43                 1     0 - Rate change    - Lost TF           S  3328
                                        60-40bps         [20101] 4 PB
                                                         VCDUs

 323-15:45   63                 1     0 - Rate change    - Lost TF           S  3328
                                        40-60bps         [20110] 4 PB
                                                         VCDUs

 324-06:50   43                 1     0 - Rate change    - Lost TF           S  3329
                                        80-120bps        [20331] 3 PB
                                                         & 1 Priority
                                                         VCDUs

 Time       DSS  Reference     RT  Rcvd Events           Comments      Cause    Pass
 (GMT)                        TFs                                               #
                             Lost  from

                                    PPT

 324-23:20   14                23    23 - Internal DSOT  - Lost TFs          I  3330
                                        anomaly of an    [20617 ->
 ->                                     unknown nature.  20628, 20635
                                                         -> 20645] 58
 325-01:01                                               PB, 2 RTS, &
                                                         2 Priority
                                                         VCDUs

 325-06:49  14/  DR# A3122     46     0 - DSS43 was      - Lost TFs          H  3330
                                        unable to        [20772,
 -> 08:13    43                         accept the       20775
                                        array input      &20776,
 08:17                                  from DSS14 due   20781 ->
                                        to a FSR disk    20823] 3 RTS
 -> 09:26                               problem and      & 10
                                        DSS14 was        Priority
                                        unable to        VCDUs
                                        continue
                                        decoding the
                                        rate as the
                                        elevation was
                                        to low.

 TOTAL                        409    54

                                        Total Science    17679.75
                                        Frames:

                                        Total Frames     23152
                                        (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

SE - SPACECRAFT EMERGENCY
