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<body lang="DE-CH" link="#0563C1" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US">Dear colleagues<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The absolute IGS antenna correction file (igs20_wwww.atx) has been updated.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The new release is called 'IGS20_2437'. It contains the following changes:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo3"><span lang="EN-US">Constellation changes according the
<a href="https://files.igs.org/pub/station/general/igs_satellite_metadata.snx?_gl=1*19gwe05*_ga*MTkwODM2MzM4Mi4xNzYzNDg0Mjk0*_ga_Z5RH7R682C*czE3OTA2MTIyMDAkbzY5JGcwJHQxNzkwNjEyMjAwJGo2MCRsMCRoMA..">
igs_satellite_metadata.snx</a> file:<o:p></o:p></span></li></ul>
<p class="MsoNormal" style="margin-left:18.0pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Decommission:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R08 (R743)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R23 (R732)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R28 (R719)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R26 (R803)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Added<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R08 (R803)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R23 (R813)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R26 (R743)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R28 (R732)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">J09 (J008)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Note:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R719 was not reassigned<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">R813 was copied from R805 (GLONASS-K1)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">J008 was copied from J007 (QZS-3G)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l2 level1 lfo2"><span lang="EN-US">One new receiver antenna calibration:<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span lang="EN-US">STXS1000 NONE<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="m6936121351531566283msoplaintext"><span lang="EN-US" style="mso-fareast-language:EN-US">The updated antenna correction model is available at<o:p></o:p></span></p>
<p class="m6936121351531566283msoplaintext"><span lang="EN-US" style="mso-fareast-language:EN-US">IGS ANTEX 2.0:<o:p></o:p></span></p>
<p class="MsoPlainText"><a href="https://files.igs.org/pub/station/general/igs20_2437_rcv.atx2.gz"><span lang="EN-US">https://files.igs.org/pub/station/general/igs20_2437_rcv.atx2.gz</span></a><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoPlainText"><a href="https://files.igs.org/pub/station/general/igs20_2437_sat.atx2.gz"><span lang="EN-US">https://files.igs.org/pub/station/general/igs20_2437_sat.atx2.gz</span></a><span lang="EN-US"><o:p></o:p></span></p>
<p class="m6936121351531566283msoplaintext"><span lang="EN-US" style="mso-fareast-language:EN-US">IGS ANTEX 1.4:<o:p></o:p></span></p>
<p class="MsoPlainText"><a href="https://files.igs.org/pub/station/general/igs20_2437.atx.gz"><span lang="EN-US">https://files.igs.org/pub/station/general/igs20_2437.atx.gz</span></a>
<span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">and<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><a href="https://files.igs.org/pub/station/general/igs20.atx">https://files.igs.org/pub/station/general/igs20.atx</a><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Arturo<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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