释义 |
S-band single-access service S-band single-access service[¦es ‚band ‚siŋ·gəl ′ak‚ses ‚sər·vəs] (communications) One of the services provided by the Tracking and Data Relay Satellite System, which provides return-link data rates up to 6 megabits per second for each user spacecraft and forward-link data at 300 kilobits per second. Abbreviated SSA |