[GMVAtech 12] April 2018 session info

[Helge Rottmann]

Dear colleagues,

some info concerning the upcoming GMVA session. For general session info see:
https://www3.mpifr-bonn.mpg.de/div/vlbi/globalmm/sessions.html <https://www3.mpifr-bonn.mpg.de/div/vlbi/globalmm/sessions.html>


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Schedules
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The session consists of 6 parts:
c181a: 	http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181a/ <http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181a/>
c181b:	http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181b/ <http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181b/>
c181c:	http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181c/ <http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181c/>
c181d:	http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181d/ <http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181d/>
c171e:	http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181e/ <http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181e/>
c171f:	http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181f/ <http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181f/>

Under the above links you will find two vex files: e.g. c181a.vex and c181a.vex_noptg. 
The „.vex“ variant is intended to be used by the VLBA. All other stations should download
the _noptg version and locally rename the files to .vex.

Please make sure you have the latest schedule versions:
c181a - c181d:     Version 9
c181e - c181f:      Version 7


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Communication
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For the upcoming session there will be a communication channel (c181) on slack:
https://gmva-team.slack.com/messages/CA36Q8LBD <https://gmva-team.slack.com/messages/CA36Q8LBD>

Use this channel for questions/troubleshooting problems as well as for giving status and weather updates. 
If possible use Slack rather than sending emails.

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DBBC2 setup
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All stations using the DBBC2 backend & VLBI Field System have to manually edit the flexmode settings in 
the .proc file to:
vsi1=a05,a06,a07,a08,a09,a10,a11,a12,b05,b06,b07,b08,b09,b10,b11,b12
(This is assuming you are using IFA and IFB. In case you are using different IF inputs you have to change the letters (a,b,c,d) in the above statement according
to you local setup.

During this session all experiment parts - also the ones with ALMA participation - will be observed in the standard PFB mode. That means NO mode switching 
to the 512-MHz fullband mode!


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Fringe Test
---------------------
Prior to the GMVA session (thursday 12.4. UT12:00) there will be a fringe test with the following stations: Ef, Ys, On, Mh, Pv.
The schedule for the fringe test (f181a) can be obtained here:  ftp://ftp.mpifr-bonn.mpg.de/outgoing/p459kri/3mmapr18/sched/f181a <ftp://ftp.mpifr-bonn.mpg.de/outgoing/p459kri/3mmapr18/sched/f181a>

During the test Yurii will coordinate via Slack which scans should be transferred to Bonn.


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Data e-transfer
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All stations doing e-transfer should coordinate the transfers with Yurii (yurii at mpifr-bonn.mpg.de <mailto:yurii at mpifr-bonn.mpg.de>). 
If possible stations keep the recorded data until the experiment has been 
correlated and positive feedback  has been given by the correlator team.


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GMVATech Mailing list
---------------------
This is a reminder to all of you not having subscribed yet to the GMVATech mailing list to please do so:
https://lists.mpifr-bonn.mpg.de/mailman/listinfo/gmvatech <https://lists.mpifr-bonn.mpg.de/mailman/listinfo/gmvatech>




All the best and good luck for the observations,

Helge


------------------------------------------------------
Helge Rottmann
Max-Planck-Institut für Radioastronomie
Auf dem Hügel 69
53121 Bonn
Germany

Tel: ++49 (0)228 525 123
------------------------------------------------------

 

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