Active GPS Station Data

RINEX data

This website will allow users to freely download hourly RINEX GPS files from any one of the permanent (active) GPS network stations, enabling users to combine this industry standard format GPS data with their own data for GPS post-processing applications.

The active GPS network for Ireland is the result of collaboration between Ordnance Survey Ireland (OSi), , and the Ordnance Survey of Northern Ireland (OSNI) and comprises of  twenty stations distributed around the island.

During the first half of the year 2002 an extensive GPS measurement campaign was undertaken to connect the sixteen GPS network stations to the European GPS co-ordinate reference framework (EUREF). The result of this campaign has provided very accurate ETRF89 co-ordinates to EUREF Zero Order Class B specification (better than 2 centimetres in X, Y, and Z) for all the network stations.

To download the required RINEX data, users first input their rough GPS observation location in Irish Grid, ITM, or UTM co-ordinates and then specify the number of nearest active GPS stations that are required or specify a given radius within which all active GPS stations will be identified. The user then highlight from the results of the search which stations are required and for which observation period (in hours) the RINEX data is required. The RINEX data will then be downloaded automatically to the users PC in a ZIP file format.

This website also provides the facility for users to check the health of any one of the active GPS stations for the previous thirty days or to check the health of all the stations on a particular day within the last thirty days. The station health matrixes refer to whether RINEX data is available or is not available from a station for any given.

Availability and up-to-dateness of RINEX data:

  • 17 OSi network stations - This RINEX data from these stations will be available for users to download from this website within four hours from the time of observation.
  • 3 OSNI network stations - The RINEX data from these three stations will be available for users to download from this website from October 2002.