Columbia subject headings:
Artificial satellites in earth sciences--United States--Handbooks, manuals, etc.
Earth stations (Satellite telecommunication)--United States--Handbooks, manuals, etc.
Harvard subject headings:
Artificial satellites in earth sciences--United States--Handbooks, manuals, etc.
Earth stations (Satellite telecommunication)--United States--Handbooks, manuals, etc.
Princeton subject headings: