Please note that this site is an archive. The most up-to-date material is at: https://www.scar.org/science/gsg/home/ .
Updated:
Please choose the site you are interested in from the map below.
Click on the red dot to find out more information about each continuous GPS observatory with data brought out by satellite.
Click on the blue dot to find out more information about each continuous GPS observatory with data brought out by ship or other means.
More information on GPS can be found at the following sites: