Category Archives: News

ETERNA-x system et34-x-v80-gnusim released on 17.Jan.2020!

In this release for WINDOWS, all bugs and flaws reported for releases et34-x-v74-* are fixed. Presently, a publication date of release et34-x-v80-lnxgnu for LINUX cannot be told. Although et34-x-v74-lnxgnu is still kept in the download section, it is recommended to use the new WINDOWS version instead.

V1-potential terms in papers addressing the HW95 tidal potential

Bruno Meurers recently pointed out a misprint which was never affecting any version of Eterna. Nevertheless, it should be noted that in several publications [1], [2], [3] the mass of the tide-generating body should appear instead of the mass of the Earth in the degree-1 terms of the tidal potential equation. In the thesis [4]… Read More »

Temporary deactivation of Polar Motion and LOD file ETPOLUT1-WAS.DAT

IERS informed that the USNO’s public-facing websites will be disconnected from the Web on 24 October 2019. The outage is expected to last for at least six months: https://datacenter.iers.org/data/2/message_384.txt Therefore the download of ETPOLUT1-WAS.DAT will be deactivated until the service from USNO is resumed.

Paper about ETERNA-x in BIM 150 (see Download section)

The paper on ETERNA Ducarme,B., Schueller,K. : Canonical wave grouping as the key to optimal tidal analysis was published in vol. 150 of Bulletin d’Informations des Marees Terrestres (BIM) which is available for download: