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: http://www.stsci.edu/spst/UnixTransition/doc/pn_switches.html
Дата изменения: Fri Apr 8 12:46:15 2016 Дата индексирования: Mon Apr 11 01:31:51 2016 Кодировка: |
pn_switches | index pn_switches.py |
PURPOSE --
Switch to PN telemetry format around SAA passages for monitoring of
magnitometer problems.
DEVELOPER --
Don Chance
REQUIREMENTS --
o Each switch to/from PN must not be closer than 2 minutes to the
start of a slew or the end of FGS visibility.
o The switch to HN on the way out of an SAA may not be closer than
1 minute to the start of the guide star acquisition.
o The switch to PN on the way into an SAA must be after the end of
any main science. The switch to PN should be at the end of the main
science or 5 minutes before the SAA entry, which ever is later.
o If the time in PN format will less than 3 minutes, don't do the
switch to PN.
o No more than 3 hours in PN are allowed without at least 10 minutes
in HN.
MODIFICATION HISTORY --
Initial implementation 3/14/01
Must switch back to HN after an SAA when there is no GSACQ. drc 5/9/01
Modules | ||||||
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Functions | ||
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Data | ||
CAL_BEGIN_PAD = 1200.0 CAL_END_PAD = 1800.0 GS_PAD = 60.0 HN_MIN_TIME = 600.0 PN_MAX_TIME = 10800.0 PN_MIN_TIME = 180.0 SAA_MODEL = '02' SAA_PAD = 300.0 SU_DURATION = 61.0 SWITCH_PAD = 120.0 |