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2013/10/31

1415 Long, overnight flash complete: base temperature rose to approximately 165 mK, and remained stable. Short, 6 second flash didn't result in any noticeable change in base temperature.
Base temperature is back to 84 mK, which would imply that problem which plagued us is back. Taking a quick look at the pulses supports this hypothesis: oscillations are witnessed in the charge channels. This must have happened at some point during overnight flash. If only we knew why it disappeared yesterday…
1440 Filled LN2 coldtrap full.
2255 Fill N2 cold trap full.