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AsteriaStar
Signal band

S-band

A lower-frequency microwave band long used for spacecraft command and low-rate telemetry, and for near-Earth links. Robust and less affected by weather than higher bands, but limited in data rate.

Used by

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

  • NASA JPLJet Propulsion Laboratory / Solar System Dynamics

    Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.