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dorismail               06-Dec-2024 06:56:14 Message No 1416
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Author: Zuheir Altamimi <zuheir.altamimi@ign.fr>
Subject: ITRF2020-u2023 is available on line



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Author: Zuheir Altamimi (zuheir.altamimi@ign.fr)=20
Subject: No 1416 : ITRF2020-u2023 is available on line=20

Dear ITRF Users and Colleagues,=20

Three years after its release, the ITRS Center has initiated regular (yearl=
y) updates of ITRF2020.=20

The IERS ITRS Center at IGN has the pleasure to announce to the community t=
he=20
availability of the ITRF2020-u2023 solution at the dedicated web site:=20

https://itrf.ign.fr/en/solutions/ITRF2020-u2023=20

ITRF2020-u2023 is the first ITRF020 update, generated by adding three years=
 (2021.0 =E2=80=93 2024.0) of data after the end of the ITRF2020 input data=
.=20

I want to take this opportunity to acknowledge the enormous efforts of the =
IAG Services (IDS, IGS, ILRS, IVS) and their Analysis and Combination Cente=
rs for their contributions by providing extended time series of station pos=
itions and Earth Orientation Parameters (EOPs).=20
The quality of the ITRF2020-u2023 is certainly benefiting from these techni=
que=20
improved solutions. Many thanks to a number of institutions and individuals=
=20
for their contributions to the ITRF2020-u2023 project.=20

The ITRF2020-u2023 web site contains the most important results and informa=
tion=20
regarding the ITRF2020-u2023 combination. It will be updated regularly to a=
dd more=20
details and results useful to the ITRF users.=20

For any comment, question or specific request, please contact:=20
itrf at ign.fr=20

Cordially=20
Zuheir Altamimi=20
Head, IERS ITRS Center=20

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