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GBT Observer Alert
GBT at 3/4 azimuth Slew Rate
Three more azimuth wheels have been replaced during this summer maintenance period. Wheel inspection shows no advanced signs of fatigue in the remaining wheels. The restriction to 1/2 azimuth slew rate has been lifted and the GBT is now moving at 3/4 azimuth slew rate.
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GBT Observer Alert
Use Ariel for GBT Observations
The Green Bank Observatory is in the process of upgrading to Red Hat 8 (RH8). We are in the next phase of the process and observations now need to be done with the current RH8 machine Ariel!
Past Notifications
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LO Doppler Tracking Issue
Data taken with the GBT during the period March 13th, 2023 @18:00 ET – May 25th, 2023 were not corrected properly for doppler tracking in the barycentric and LSR frames.
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FastX Upgrade
We encourage all observers to test the new installation prior to your observations.