<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear colleagues,<div class=""><br class=""></div><div class="">for the upcoming observations I have prepared a slack channel for the in-session communication:</div><div class=""><a href="https://gmva-team.slack.com/messages/CNMPE94HZ" class="">https://gmva-team.slack.com/messages/CNMPE94HZ</a></div><div class=""><br class=""></div><div class="">Reminder:</div><div class="">For the session we are changing the standard GMVA mode going from 2Gbps to 4Gbps.</div><div class="">This implies a change in tunings and backend configurations for most sites. </div><div class="">Please have a look again at the description of the 4Gbps standard mode at:</div><div class=""><a href="https://deki.mpifr-bonn.mpg.de/GMVA/GMVA_Setups" class="">https://deki.mpifr-bonn.mpg.de/GMVA/GMVA_Setups</a></div><div class=""><br class=""></div><div class="">and confirm that your setup meets the requirement of recording</div><div class=""><strong class="">86012</strong> - <strong class="">86524</strong> <strong class="">MHz</strong> (512 MHz, dual-polarization).</div><div class="">Stations recording larger bandwidths should make sure that the 512 MHz are contained.</div><div class=""><br class=""></div><div class="">The setup should be identical to what has been used during the successful 4Gbps test carried out in April 2019</div><div class="">For details of the test see:</div><div class=""><a href="https://deki.mpifr-bonn.mpg.de/01VLBI_Group/DiFX_Correlator/Correlation_Reports_(Astro)/Technical_Tests/GMVA_4Gbps_test_(4.4.2019)" class="">https://deki.mpifr-bonn.mpg.de/01VLBI_Group/DiFX_Correlator/Correlation_Reports_(Astro)/Technical_Tests/GMVA_4Gbps_test_(4.4.2019)</a></div><div class=""><a href="https://deki.mpifr-bonn.mpg.de/GMVA/GMVA_correlations/2019_Apr_(c191)/F191A" class="">https://deki.mpifr-bonn.mpg.de/GMVA/GMVA_correlations/2019_Apr_(c191)/F191A</a></div><div class=""><br class=""></div><div class="">In addition to the usual deliverables, please also post or email the .prc files (DBBC2 stations) and/or other relevant information if different</div><div class="">than described on the GMVA mode page.</div><div class=""><br class=""></div><div class="">Best regards and all the best for the session,</div><div class="">Helge</div><div class=""><br class=""></div><div class=""><span style="orphans: 2; widows: 2; -webkit-text-decorations-in-effect: none; text-align: -webkit-auto;" class=""><br class=""></span></div><div class=""><span style="orphans: 2; widows: 2; -webkit-text-decorations-in-effect: none; text-align: -webkit-auto;" class="">------------------------------------------------------</span></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; -webkit-text-decorations-in-effect: none;"><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="">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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