GBT Notifications

  • 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! 

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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.

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