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               **  ISDC END OF REVOLUTION REPORT  (NRT)  **  
                      
                   REVOLUTION  2633 - Report of May 01, 2023
********************************************************************************
                                                              
 Perigee Passage at start : 2023-04-26T06:44:19
 Perigee Passage at end   : 2023-04-28T22:35:14
 Radiation Belt exit      : 24623 km (ijd 8516.3325)
 Radiation Belt entrance  : 44801 km (ijd 8518.8230)

 1. Planning summary
 ===================

 1.1 General remarks
 
 a) Eclipse season.

 b) 2023-04-27T06:51: Pointing 22 missed.

 1.2 Pointings summary

   Remarks: Exposure info from POD. Pointing info from TSF. 
 - Durations in exec/planned format; data gaps and bad time intervals not excluded from total time.
 - Deviations: only unexpected deviations >30 secs for pointings assigned to an exposure reported;
   expected deviations (first & last pointings of an exposure longer than planned) not reported. 
*** Exposure 26330001: 'GRS 1915+105', 5x5 (25x3600s)
    25 pointings: 26330004 -> 26330028, 90027s/90000s (+27s)
    Deviations:
     26330022 3652/3600s: see 1.1.b)

*** Exposure 26330002: 'Gal. Plane, l= 250', 5x5 (12x1800s)
    12 pointings: 26330030 -> 26330041, 23679s/21600s (+34m39s)

*** Exposure 26330003: 'Gal. Plane, l= 250', 5x5 (13x1800s)
    13 pointings: 26330042 -> 26330054, 23400s/23400s (+0s)

*** Exposure 26330004: 'Gal. Plane, l= 260', 5x5 (24x1800s)
    24 pointings: 26330056 -> 26330079, 48666s/43200s (+1h31m06s)

*** Pointings with no assigned Exposure
    7 pointings: 26330001, 0002, 0003, 0029, 0055, 0080, 0081
                 21705s/5214s (+4h34m51s)

 2. NRT Data processing
 ======================

 2.1 Telemetry
 
 * TM gaps of more than 30 seconds: 
  2023-04-26T07:47:56 
  2023-04-26T07:48:27 
  2023-04-26T07:48:58 
  2023-04-26T07:49:29 
  2023-04-26T13:42:26 
  2023-04-27T06:42:06 
  2023-04-27T06:42:37 
  2023-04-27T06:44:28 
  2023-04-27T06:45:26 
  2023-04-27T06:46:30 
  2023-04-27T06:47:22 
  2023-04-27T06:51:22 
  2023-04-27T07:01:44 
  2023-04-27T20:46:17 

 * Frames missed: 
  2023-04-26T13:42:26 603 frames missed (979533210 to 979533812)
  2023-04-27T06:42:49 1150 frames missed (980511663 to 980512812)
  2023-04-27T06:44:49 801 frames missed (980513935 to 980514735)
  2023-04-27T06:45:49 835 frames missed (980514861 to 980515695)
  2023-04-27T06:46:49 770 frames missed (980515887 to 980516656)
  2023-04-27T06:47:49 898 frames missed (980516716 to 980517613)
  2023-04-27T06:51:49 897 frames missed (980520557 to 980521453)
  2023-04-27T07:01:49 543 frames missed (980530510 to 980531052) 

 * Statistics:   Mean Rate: 15.95  frames/sec (mean)
 
    Frames:  3496675 total
          :  0 missed
          :  2369255 TM
          :  1127420 idle
          :  0 invalid
 
    Packets:  4754227 total
           :  14177 missed
           :  4738510 TM
           :  0 tcmd
           :  15717 time
           :  0 idle
           :  0 invalid

 * No error 

 2.2 Auxiliary files

     OLF: 64
     ASF: 82
     THF: 62
                                                           	 
 2.3 Pre-processing / OPUS pipelines

     Nothing special

 * No error 

 2.4 ISGRI context table

     2023-04-28T10:33: IIMG_SDCMOC_D20230426112323_00001.INT
     2023-04-28T13:00: IIMG_SDCMOC_D20230426112323_00002.INT
     2nd version provided by IRFU/SAp, Saclay (F)
 
 3. Alerts 
 =========

 3.1 All alerts except OOLs and missing scientific data
 
   * Level 2:

 600 A CCCF event is present in the observation log

   * Level 1:

 604 Exposure time is 3650 sec. instead of 3600 sec.
     Pointing ID (BCPPID): 26330022
     -> see 1.1.b)

 3.2 Parameter out of limits 

     OMC:
     ----
     Due to eclipse season
     Science Window ID: 263300000021
     PCURR__1
     SVOLT___P5
     SVOLT___M5
     SVOLT___P12
     SVOLT___M12
     SVOLT___P36
 
     IBIS:
     -----
     Due to Solar minimum, the IBIS veto limits are not appropriate
     resulting in too many alerts

     ScWs: 263300040010 - 263300790010
     V1S_MBOT_MCOUNT
     V1S_MLAT_MCOUNT

     ScWs: 263300040010 - 263300790010
     IOE_MDOS_MMCE4,6

     ScW: 263300440010
     I0S_MEVTCNT_MMCE3,5,7

     ScW: 263300460010
     V1E_MH4_MMOD28V
     V1E_MH4_MIFB_MDV
     V1S_MCAL_MCOUNT

 3.3 Missing scientific data  (taken from alert 3050) -

 4. Instruments checks (IOSM)  
 =====================

    Nothing special
  
 5. Science
 ==========

 5.1 Summary

 a) Planned observations
 
   Last POD file: /isdc/nrt2/ops/aux/adp/2633.000/pod_2633_0001.fits
   Received at  : Apr 17. 16:35
  
   i  EXP_ID    OBS_ID     SRC_NAME           POINT_NUM   POINT_LEN  

   1 26330001 20200020002 GRS 1915+105             25        3600 
   2 26330002 20200130099 Gal. Plane, l= 250       12        1800 
   3 26330003 20200130099 Gal. Plane, l= 250       13        1800 
   4 26330004 20200130104 Gal. Plane, l= 260       24        1800 
 
 b) Solar activity & miscellaneous
    
    Calm
    
 5.2 IBAS: no more reported here
  
 5.3 TOOs: No