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<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_2423'. It contains the following changes:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:0cm"><span lang="EN-US"><o:p> </o:p></span></p>
<ul type="disc">
<li class="m6936121351531566283msoplaintext" style="mso-list:l0 level1 lfo1"><span lang="EN-US" style="mso-fareast-language:EN-US">Modified BEIDOU-2G-CAST satellites C217 and C231 assignment involving PRN C01/C04/C59/C62 in accordance with the IGS satellite
metadata file. Note that the igs20_sat.atx2 is not affected as the PRN assignment is no longer part of the ANTEX 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>
<ul type="disc">
<li class="m6936121351531566283msoplaintext" style="mso-list:l0 level1 lfo1"><span lang="EN-US">For various existing antennas the frequency C05 has been copied from G05.
</span><span lang="EN-US" style="mso-fareast-language:EN-US">Note that this does not affect the igs20_rcv.atx2 file as the individual frequencies do not need to be copied for each individual satellite system.<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<ul type="disc">
<li class="m6936121351531566283msoplaintext" style="mso-list:l0 level1 lfo1"><span lang="EN-US" style="mso-fareast-language:EN-US">Extended antenna patterns with E01/C01/J01 (copied from G01), J02 (G02), and E05, C05, J05 (G05) for GPPVC6050 NONE/GPP1 and JAV_RINGANT_G3T
NONE. Note that this does not affect the igs20_rcv.atx2 file.<o:p></o:p></span></li></ul>
<p class="MsoListParagraph"><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 lfo1"><span lang="EN-US">8 new antenna calibrations:<o:p></o:p></span></li></ul>
<p class="m6936121351531566283msoplaintext"><span lang="IT-CH" style="font-family:"Courier New";mso-fareast-language:EN-US">EFIF6 NONE
<br>
EFIF8L NONE<br>
EFIN30 NONE<br>
EFIN50 NONE <br>
GMTSG20AR NONE<br>
GMTSG6L NONE<br>
PRNI35XR NONE<br>
METX25R NONE<o:p></o:p></span></p>
<p class="m6936121351531566283msoplaintext"><span lang="IT-CH" style="font-family:"Courier New";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"><a href="https://files.igs.org/pub/station/general/igs20_2423_rcv.atx2.gz"><span lang="EN-US">https://files.igs.org/pub/station/general/igs20_2423_rcv.atx2.gz</span></a><o:p></o:p></p>
<p class="MsoPlainText"><a href="https://files.igs.org/pub/station/general/igs20_2423_sat.atx2.gz">https://files.igs.org/pub/station/general/igs20_2423_sat.atx2.gz</a><o:p></o:p></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_2423.atx.gz"><span lang="EN-GB">https://files.igs.org/pub/station/general/igs20_2423.atx.gz</span></a>
<span lang="EN-GB"><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>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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