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Archive: Wed Jul 2019

GOES-17 HBT Flush

Approximately once every 239 days, a HBT (Hydrazine Bipropellant Thruster) Flush is performed on GOES-R series satellites — this flushing burn limits the build-up of ferric nitrate in the HBT valves. Following a GOES-17 (GOES-West) HBT Flush that was conducted on 10 July 2019, a navigation offset of about 145... Read More