Outage of iers.org servers on June 26/27 2026

Dear IERS users,

Due to maintenance work, there will be an outage of all iers.org 
servers (www.iers.org, datacenter.iers.org, data.iers.org, uc.iers.org)
starting approximately Friday, June 26, 14:00 UTC.
According to plan all services should be online again by
Saturday, June 27, 16:00 UTC.

In urgent cases, please use the data and conventions provided by IERS'
product centres:

EOP data:
https://hpiers.obspm.fr/eop-pc/
https://hpiers.obspm.fr/eop-pc/index.php?index=FTP&lang=en

Rapid EOP data and predictions:
https://maia.usno.navy.mil/
https://maia.usno.navy.mil/products/daily.htm
https://maia.usno.navy.mil/products/bulletin-a

Global geophysical fluids data:
http://loading.eost.unistra.fr/GGFC/
http://loading.eost.unistra.fr/GGFC/opera.php

ITRF:
https://itrf.ign.fr/

Conventions:
https://iers-conventions.obspm.fr/

We apologize for the inconvenience this will cause our user community.

Kind regards,
IERS Central Bureau
Frankfurt am Main, Germany