Geodetic Services

Maintenance Notice:

Due to an upgrade there will be some interference with the GNSS network between 10 and 4 on Friday the 15th of December 2017.

There is planned maintenance to the OSi IT systems which will result in interruption to the GNSS network between 8pm on Thursday the 14th and 9am on Monday the 18th of December.



View GNSS Station Location Map

Geodetic Services

OSi continues to provide a free-of-charge RINEX data download service. Users should ensure that their post-processing applications have adequate quality assurance to correctly exploit this industry standard data.

It will provide users with the following geodetic services:

  • Passive data
  • RINEX data
  • Co-ordinate converter

A map containing the location of our GNSS stations is available as a PDF

The co-ordinates for our stations are available in this PDF

Support is available from our Geodetic Surveying Services.
Phone: +353-1-885-2456, +353-1-885-2465
Fax: +353-1-820-4156