spac - SSB-
- space
- space attenuation
- space bandwidth
- space bridge
- space communication
- space communication line
- space communication receiver
- space communication transmitter
- space compression
- space diversity
- space diversity reception
- space group monitoring center
- space impulse
- Space key
- space laser communication
- space modulation
- space network
- space pattern
- space permeability
- space radiation
- space radiocommunication
- space segment
- space signal
- space subsystem
- space switching
- space switching stage
- space telecommand
- space telemetering
- space television
- space tracking
- space wave
- space-craft channel
- space-division multiplex
- space-division system
- space-erected antenna
- space-operation service
- space-optimized array
- space-radio transmission
- space-research service
- space-switched system
