IPP – Ionospheric Pierce Point
The intersection point of the signal ray path and the sphere of the single layer is the reference point of VTEC and called the ionospheric pierce point (IPP).
More Info: https://geodesy.science/item/ionosphere/
IAG as part of the IUGG
IAG Related Organisations
IAG collaborates closely with numerous organizations within geodesy and beyond. See the list for details.
This website is provided by the IAG Secretariat and the GGOS Coordinating Office, which are hosted by the BEV – Federal Office of Metrology and Surveying (Bundesamt für Eich- und Vermessungswesen) in Vienna, Austria.