Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Satellite-to-end-device positioning. E symbolises the elevation angle caused by the sudden oscillations of the LEO satellite, S denotes the slant distance impacting the total distance travelled, and stands for the elevation angle of satellites.
