(redirected from Space-to-Ground)
S/GSteam Generator
S/GSyringyl to Guaiacyl
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The ACS provides telemetry, tracking and command as well as voice communications functions to and from the ISS and the Ku-band Space-to-Ground Antenna System (SGANT), providing video and high data-rate scientific data communications.
There, during late evening hours, TDRS-7's giant solar panels, which tip to tip are taller than a five-story building, and Ku-band space-to-ground and S-band omni antennas were deployed, and the IUS separated and maneuvered away from the satellite.
Before TDRSS, NASA relied solely on a system of ground stations that permitted space-to-ground communications only 15 percent of the time.
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