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operations:documentation.clock_and_delay_check [2015/01/19 02:52] liza [Maser to GPS, Formatter to GPS delays and difference] |
operations:documentation.clock_and_delay_check [2016/03/30 03:36] Lucia McCallum [Maser to GPS, Formatter to GPS delays and difference] |
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**Be sure that mk5=dot? returns FHG_off before you run fmset. Sometimes if a power glitch occurs while the Mark5 is recording, it can get stuck. If FHG_on, end with disk_record=off and then run fmset again | **Be sure that mk5=dot? returns FHG_off before you run fmset. Sometimes if a power glitch occurs while the Mark5 is recording, it can get stuck. If FHG_on, end with disk_record=off and then run fmset again | ||
- | During the observation, it is useful to monitor the delay difference on a plot. to do it, you can start a terminal on ops2 and <code>cd /vlbobs/ivs/logs</code> Then start gnuplot: <code>gnuplot</code> You shall start and/or refresh the plot window for each station by hand each time you wish to see the plot: | + | During the observation, it is useful to monitor the delay difference on a plot. to do it, you can start a terminal on ops2 (or ops1hb at MtPleasant) and <code>cd /vlbobs/ivs/logs</code> Then start gnuplot: <code>gnuplot</code> You shall start and/or refresh the plot window for each station by hand each time you wish to see the plot: |
<code> | <code> | ||
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set term 'wxt' 1 ; plot "ke_ddif.txt" | set term 'wxt' 1 ; plot "ke_ddif.txt" | ||
set term 'wxt' 2 ; plot "yg_ddif.txt" | set term 'wxt' 2 ; plot "yg_ddif.txt" | ||
+ | </code> | ||
+ | |||
+ | NEW: there is now a live update available (no need to export and re-plot the data). Fro this, open a terminal on ops2 and type | ||
+ | <code> | ||
+ | delaylive hb (ke, yg) | ||
</code> | </code> | ||