...
Unfortunately, this "noise" appears to preclude the use of pressure to identify the existence of turbine wakes at the surface, though it might be possible to pull out a signal...
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Addendum:
During CentNet tests at Marshal during the first half of 2012, the 2 Hz noise gradually appeared (as the krypton signal response declined?), to the point that it is quite obvious in the June-August data. Thus, I don't think we can blame the turbines after all...