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DIGISONDE-4D
SYSTEM MANUAL
VERSION 1.2.11
SECTION 5 - SYSTEM SOFTWARE ā ANNEX A 5-39
Time Stamp
5:90. Time stamps are provided in UT with precision of 1 ms. Table 5A- 13 describes common presentation
of the time in the DPS packets (totaling 17 bytes).
Table 5A- 13: Time Stamp (Length 17 Bytes)
Schedule
5:91. Measurement schedule, or simply schedule, describes sequence of program, up to 32 entries, running
with relative time offset from the schedule start time. Schedule specification is a common part of commanding
streams. Schedule contents are described in Table 5A- 14 and schedule entry structure in Table 5A- 15.
NOTE
If the first schedule element Entry Table Size (ETS) is zero, then Duration (DUR)
and Entry Table (ET) are omitted from Schedule, so that the empty Schedule
occupies just 1 byte
Table 5A- 14: Schedule (Variable Length)
Entry Table Size, i.e. number of entries in Entry Table
If equals to 0 then DUR field is omitted.
0-32, 0 means
empty schedule if
duration is also 0,
otherwise it is Idle
schedule
Schedule duration
0 = immediate iteration after the last program of the schedule
completes
>0 = duration
0-4G ms, or 0-
1192 hours, or 50
days
Entry Table, consists of Schedule Entries (see Table 5A-
15)
Array of
Schedule
Entries
Table 5A- 15: Schedule entry (length 5 Bytes)
Offset from the schedule beginning
-1 = run immediately after previous program is done
0-2G ms, or 0-596
hours, or 25 days
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