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Procedure: Reprocess Shutdown Files

Occcasioned by USAF (re-)issuing updated PAM files (typically via notification to mh-laser@ucolick.org with subject A Space Track folder [ /zLCH/LICK/PAM ] you're subscribed to has been updated!
  1. To avoid conflict in subdirectories when attempting to re-process re-issued PAM file, remove the appropriate pre-existing UT dated directory:

    user@shimmy.ucolick.org > rm -rf /local/data/lsm/20XXMonXXUT

  2. Check availability of Predictive Avoidance Authorization Message (PAM) files for appropriate JDAY (e.g. via Space-Track).
    Current UT and JDAY can be determined using the following unix/linux command:
    date -u "+%A, %FUT%T; JDAY=%j"
  3. Process most recent PAM files:

    • Save PAM files (e.g. 2018jday168azel.txt; 2018jday168radec.txt) and copy to appropriate destination:
      scp 2018jday*.txt user@shimmy.ucolick.org:/u/user/observers/lgs/lsm/
    • Parse PAM files:
      user@shimmy.ucolick.org: /usr/local/lick/bin/lsmParse /u/user/observers/lgs/lsm/2018jdayXXXazel.txt
      user@shimmy.ucolick.org: /usr/local/lick/bin/lsmParse /u/user/observers/lgs/lsm/2018jdayXXXradec.txt
    • Check UT date vs JDAY:
      user@shimmy.ucolick.org: /usr/local/lick/bin/lsmCheck 2018MonXXUT
    • Match object names for UT date:
      user@shimmy.ucolick.org: /usr/local/lick/bin/lsmNames 2018MonXXUT
  4. Monitor electronic mail for notifications of additional closures due to recent space events, circulated to mh-laser.ucolick.org.

Change Log

2018-09-25: First version.


This document last updated (UTC): Tuesday 04 March 2025