<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Dear colleagues,<div class=""><br class=""></div><div class="">some info concerning the upcoming GMVA session. For general session info see:</div><div class=""><a href="https://www3.mpifr-bonn.mpg.de/div/vlbi/globalmm/sessions.html" class="">https://www3.mpifr-bonn.mpg.de/div/vlbi/globalmm/sessions.html</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class="">---------------------</div></div><div class="">Schedules</div><div class=""><div class=""><div class="">---------------------</div></div></div><div class="">The session consists of 6 parts:</div><div class="">c181a: <span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181a/" class="">http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181a/</a></div><div class="">c181b:<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181b/" class="">http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181b/</a></div><div class="">c181c:<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181c/" class="">http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181c/</a></div><div class="">c181d:<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181d/" class="">http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181d/</a></div><div class="">c171e:<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181e/" class="">http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181e/</a></div><div class="">c171f:<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181f/" class="">http://www.vlba.nrao.edu/astro/VOBS/astronomy/apr18/c181f/</a></div><div class=""><br class=""></div><div class="">Under the above links you will find two vex files: e.g. c181a.vex and c181a.vex_noptg. </div><div class="">The „.vex“ variant is intended to be used by the VLBA. All other stations should download</div><div class="">the _noptg version and locally rename the files to .vex.</div><div class=""><br class=""></div><div class="">Please make sure you have the latest schedule versions:</div><div class="">c181a - c181d: Version 9</div><div class="">c181e - c181f: Version 7</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">---------------------</div><div class="">Communication</div><div class=""><div class="">---------------------</div><div class="">For the upcoming session there will be a communication channel (c181) on slack:</div><div class=""><a href="https://gmva-team.slack.com/messages/CA36Q8LBD" class="">https://gmva-team.slack.com/messages/CA36Q8LBD</a></div><div class=""><br class=""></div><div class="">Use this channel for questions/troubleshooting problems as well as for giving status and weather updates. </div><div class="">If possible use Slack rather than sending emails.</div><div class=""><br class=""></div><div class="">---------------------</div><div class="">DBBC2 setup</div><div class=""><div class=""><div class=""><div class="">---------------------</div></div></div></div><div class="">All stations using the DBBC2 backend & VLBI Field System <b class="">have to manually edit the flexmode settings </b>in </div><div class="">the .proc file to:</div><div class=""><pre class="">vsi1=a05,a06,a07,a08,a09,a10,a11,a12,b05,b06,b07,b08,b09,b10,b11,b12</pre><div class="">(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</div></div><div class="">to you local setup.</div><div class=""><br class=""></div><div class=""><b class="">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 </b></div><div class=""><b class="">to the 512-MHz fullband mode!</b></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class="">---------------------</div></div><div class="">Fringe Test</div><div class=""><div class="">---------------------</div></div><div class="">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.</div><div class="">The schedule for the fringe test (f181a) can be obtained here: <a href="ftp://ftp.mpifr-bonn.mpg.de/outgoing/p459kri/3mmapr18/sched/f181a" class="">ftp://ftp.mpifr-bonn.mpg.de/outgoing/p459kri/3mmapr18/sched/f181a</a></div><div class=""><br class=""></div><div class="">During the test Yurii will coordinate via Slack which scans should be transferred to Bonn.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class="">---------------------</div></div><div class="">Data e-transfer</div><div class=""><div class=""><div class="">---------------------</div><div class="">All stations doing e-transfer should coordinate the transfers with Yurii (<a href="mailto:yurii@mpifr-bonn.mpg.de" class="">yurii@mpifr-bonn.mpg.de</a>). </div></div></div><div class="">If possible stations keep the recorded data until the experiment has been </div><div class="">correlated and positive feedback has been given by the correlator team.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">---------------------</div><div class="">GMVATech Mailing list</div><div class=""><div class="">---------------------</div></div><div class="">This is a reminder to all of you not having subscribed yet to the GMVATech mailing list to please do so:</div><div class=""><div class=""><a href="https://lists.mpifr-bonn.mpg.de/mailman/listinfo/gmvatech" class="">https://lists.mpifr-bonn.mpg.de/mailman/listinfo/gmvatech</a></div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">All the best and good luck for the observations,</div><div class=""><br class=""></div><div class="">Helge</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; line-height: normal; border-spacing: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">------------------------------------------------------</div><div class="">Helge Rottmann</div><div class="">Max-Planck-Institut für Radioastronomie</div><div class="">Auf dem Hügel 69</div><div class="">53121 Bonn</div><div class="">Germany</div><div class=""><br class=""></div><div class="">Tel: ++49 (0)228 525 123</div><div class=""><div class="">------------------------------------------------------</div></div><div class=""><br class=""></div><div class=""> </div></div></span></div></span></div></span></div></span></div></div>
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