See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html  


Shift H9126.  

    Start at 199:00:00 GMT

Plan: SSR Managment following a decision tree based on DQ reports.


00:00 BOT started
00:03 SOH ok
00:04 set to SSR subformat
00:05 playback on SSR-B
00:20 playback complete…. No dropped records were noted VC1 in realtime monitoring.
00:20 10-minute wait for FDs to package data
00:32 FDS closeout  waiting to receive data at OCC
00:34 playback on SSR-A started 
00:36 SSR-B DQ 100% (This is all data from the rollover at 19:00 until 00:00)
Decision Tree SSR-B in OK Path Complete

00:40 SSR-A playback complete.
00:40 10-minute wait for FDS to package data,
00:42: Reset pointers on SSR-B since 100% DQ
00:50 Data glitch expected as downlink turns on for nominal pass
00:51 FDS closeout  waiting to receive data at OCC
00:54 SSR-A DQ 100%
Decision Tree SSR-A in OK perform full playback

00:56 Reset pointers on A (for the mini dump; started at 00:34) 
00:57 Start full playback of SSR-A  this will take 27 minutes.
01:26 Dump complete
01:26 10-minute wait for FDS to package data

01:33 setup to revert to SSR-A as prime.
01:38 Swapped recording back to SSR-A
01:39 FDS file is closed and coming in-house.
01:40 Started playback of last bits of SSR-B (data from 00:20 to 01:40)
01:47 playback SSR-B complete.  10-minute wait for FDs to package data.
01:48 SSR-A DQ 100%
01:49 SSR-A playback of trapped data due to rollover
01:55 SSR-A playback complete 10-minute wait for FDs to package data.
01:59 set to normal subformat
02:00 EOT

Support over, waiting for the last two small dumps. 

02:06 Last 2 dumps were 100% DQ.