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I've been puzzled by the pressure difference between main and bare. The height
difference only justifies about 0.3mb (bare lower). (The difference in height
from the topos was about 13' = 4m at ~11m/mb.) So, I just made a difference
plot and noticed that it varied like temperature by 2mb over 15C. A
scatterplot of the pressure difference vs. temperature (see attached) has a
perfect correlation. This sounds like the same problem we saw in OASIS98.
We should get rid of the non-compensated sensor.
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