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13:10 Rad: cleaned shadow band licor with methanol which had some bird poop on the plate and sensor head. The pile, being white, didn't really show much evidence of that but almost certainly it had some on it as well.
13:05 TRH swapped, #13 for #21. By the time we got here it was "working" but at ~1.8deg, 98%humidity. After swap it was at ~2deg (ie same) but down to 78%rh
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