This information is not directly related to the use of Triplogik , but it is provided fun and for general satellite information only. 

GPS satellites are not geostationary, that is, they are in constant motion unlike telecommunications satellites that remain at a (relative) fixed location in the sky.

It is possible to track GPS satellites in real time with

  1. Click on Select satellites 
  2. Select GPS Operational

You can also view what satellites are available from your location on the horizon