Space Regulatory Glossary Spectrum

S-band

/ɛs bænd/ noun

1. A radio frequency band spanning approximately 2 to 4 GHz, used for weather radar, telemetry and command links to spacecraft, and some mobile satellite services.
2. S-band is commonly used for satellite telemetry, tracking, and command (TT&C) links because it offers a good balance between antenna size, atmospheric penetration, and available bandwidth.

Related terms

L-band A radio frequency band spanning approximately 1 to 2 GHz, used for mobile satellite services, GPS navigation signals,… C-band A radio frequency band spanning approximately 4 to 8 GHz, historically the workhorse of satellite communications due to… telemetry Data transmitted from a spacecraft to a ground station reporting the status of onboard systems — including power…

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