- satellite control
- satellite eclipse
- satellite elevation
- satellite meteorology
- satellite motion
- satellite network
- satellite redundancy
- satellite transmission
- saturated color
- saturation logic
- save file
- scale line
- scan coil
- scan limit
- scan table
- scanner
- scanner workstation
- scanning control
- scanning sensor
- scattered beam
- schlicht function
- Schottky device
- scintillation amplitude
- scrambling control
- scratch diskette
- screen generator
- screen saver
- screening enclose
- scanning receiver
- scattering mechanism
- scattering volume
- scintillation noise
- SCPC
- scrambler
- screen pair
- screened circuit
- screening frequencies
- screening-grid
- scalar constant
- scale unit
- scaled antenna
- scan converter
- scan length
- scan pattern
- scan step
- scanned beam
- scanning antenna
- scanning standards
- scatter
- scattering angle
- Schottky effect
- scintillation
- SCR amplifier
- SCR crosspoint
- scrambling method
- scribing
- sea passage
- search value
- SECAM signal
- screen grid
- scribing step
- scrim
- sea clutter
- sea gain
- search antenna
- search chain
- search condition
- search
- seasonal variation
- second harmonic
- second marker
- secondary center
- secondary centre
- secondary pattern
- secondary service
- secondary storage
- secondary surveillance
- secretary station
- sectionalized tower
- sectioning
- security maintenance
- segment file
- segment mark
- seismic block
- seizing signal
- selection field
- selection switching
- selective diffusion
- selective interference
- selector mode
- secondary mirror
- secret code
- sectored antenna
- security label
- seed money
- segment number
- segment sharing
- seizing
- selection stage
- selective fading