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2012/03/08

0915 Filled LN2 cold trap.
Tower temp: 104 mK
2250 Start helium transfer. Helium liquid level 22.7%.
2330 Cease helium transfer. Helium liquid level 96.3%.

Charge Noise PSDs

Figure 1: DCRC33 attached to Flexible Side Coax; DCRC32 attached to Vacuum Side Coax.
Figure 2: DCRC33 attached to Vacuum Side Coax; DCRC32 attached to Flexible Side Coax.
Figure 3: DCRC32 attached to both side coaxes.
Figure 4: DCRC33 attached to both side coaxes.

Summary of Data Taken

Trace length = 26.2144 ms; trigger delay = 100 μs.

Data Series Description
07120308_1751 DCRC32 attached to vacuum side coax, DCRC33 attached to flexible side coax, at rest.
07120308_1756 DCRC32 attached to vacuum side coax, DCRC33 attached to flexible side coax, 20 cm drop test.
07120308_2016 DCRC32 attached to flexible side coax, DCRC33 attached to vacuum side coax, at rest.
07120308_2021 DCRC32 attached to flexible side coax, DCRC33 attached to vacuum side coax, 20 cm drop test.
07120308_2044 DCRC32 attached to flexible side coax, at rest.
07120308_2048 DCRC32 attached to flexible side coax, 20 cm drop test.
07120308_2127 DCRC32 attached to vacuum side coax, at rest.
07120308_2130 DCRC32 attached to vacuum side coax, 20 cm drop test.
07120308_2200 DCRC33 attached to flexible side coax, at rest.
07120308_2204 DCRC33 attached to flexible side coax, 20 cm drop test.
07120308_2230 DCRC33 attached to vacuum side coax, at rest.
07120308_2234 DCRC33 attached to vacuum side coax, 20 cm drop test.