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<div class="WordSection1">
<p class="MsoNormal"><o:p> </o:p></p>
<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_2417'. It contains the following changes:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:0cm"><span lang="EN-US"><o:p> </o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="color:black;margin-left:0cm;mso-list:l1 level1 lfo3">
<span lang="EN-US" style="color:windowtext">New GPS BLOCK IIIA satellite G083 (G13) and decommission of BLOCK IIR-A satellite G043 (G13) according to IGS satellite meta data of GNSS satellites, release 2416 (</span><span style="color:windowtext"><a href="https://files.igs.org/pub/station/general/igs_satellite_metadata_2416.snx"><span lang="EN-US">https://files.igs.org/pub/station/general/igs_satellite_metadata_2416.snx</span></a></span><span lang="EN-US" style="color:windowtext">):</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-CH"><o:p></o:p></span></li></ul>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-CH"> 29-Apr-2026 G083 added, G043/G13 decommissioning<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-CH"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-CH"> As preliminary PCO values for G083 (G13) those of BLOCK III satellite G081 are used<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-CH"> As preliminary PV values for G083 (G13) those of BLOCK III satellite G074 are used<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:l1 level1 lfo3"><span lang="EN-US">5 new antenna calibrations:<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> CHCI85 NONE (calibrated by Geo++ GmbH)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> JAVPULSERONE_R NONE (calibrated by Geo++ GmbH)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> JAVRINGANT_S NONE (calibrated by Geo++ GmbH)
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> JAVRINGANT_S JVSR (calibrated by Geo++ GmbH)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> TRM259900.00 NONE (calibrated by Geo++ GmbH)<o:p></o:p></span></p>
<p class="m6936121351531566283msoplaintext"><span lang="EN-US" style="mso-fareast-language: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"><span lang="EN-US"><a href="https://files.igs.org/pub/station/general/igs20_2417_sat.atx2.gz">https://files.igs.org/pub/station/general/igs20_2417_sat.atx2.gz</a><o:p></o:p></span></p>
<p class="m6936121351531566283msoplaintext"><span lang="EN-US"><a href="https://files.igs.org/pub/station/general/igs20_2417_rcv.atx2.gz">https://files.igs.org/pub/station/general/igs20_2417_rcv.atx2.gz</a><o:p></o:p></span></p>
<p class="m6936121351531566283msoplaintext"><span lang="EN-US" style="mso-fareast-language: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"><span lang="EN-US"><a href="https://files.igs.org/pub/station/general/igs20_2417.atx.gz">https://files.igs.org/pub/station/general/igs20_2417.atx.gz</a><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>
<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>
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