1. A facility, equipment, or infrastructure that is physically located on the ground or earth surface, typically used for military, telecommunications, space operations, or scientific purposes
The military established ground-based installations along the border for radar surveillance.
O exército estabeleceu instalações baseadas em terra ao longo da fronteira para vigilância por radar.
2. In space and satellite technology, terrestrial equipment or stations that support space missions and satellite operations
The space agency operates several ground-based installations to track and communicate with satellites.
A agência espacial opera várias instalações baseadas em terra para rastrear e se comunicar com satélites.