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Change in balance command
We have released a change in the behavior of the Balance() command on the GBT.
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GBT at Full azimuth Slew Rate
The GBT has returned to the regular full azimuth slew rate.
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RH8 UPGRADE COMPLETE
The Green Bank Observatory has finished the process of upgrading to Red Hat 8 (RH8). Observations can again be done with either machine Ariel or Titania!
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Ku-Band TCal values updated
The default TCal values used for standard calibration have been updated for the Ku-Band receiver.
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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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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.