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R1 resonator 2 mK above Setpoint (27,5 °C → 27,502 °C) since early morning; Current is low ~ 0.04 A → seems like there is an additional heat source! Action ⇒ Decrease Outer Shield Temperature (27,3 °C) by 30 mK (27,270 °C) in the evening to achieve better control range for inner shield!