We propose to continue the ATCA calibrator database monitoring, with emphasis at mm wavelengths. We request 24 hours at the beginning of each configuration in 2018APRS to carefully cross-calibrate a number of bright AGN and ultra-compact HII regions against Uranus and 1934-638 for use by those observing in that array configuration. We will observe at the standard ATCA frequencies, and in response to any special requests by observers for non-standard frequencies.
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