I sprung for Vantage Pro 2 with aspiration.  I have it hooked up to an RPi 
with the serial logger.  That part seems to work OK so far.
My question is about which wind cups (large or small) is included in the 
standard kit these days?  The Davis site is woefully lacking
in detail, and even the specs in the books are missing that one.  The other 
question is about calibration.  I have the console and ISS
sitting in the same place, and the temp and humidity don't match (off a 
couple of degrees and few percent).  I found where to offset
the values in the console, but not sure if either are correct.  Is this a 
matter of averaging the values of a bunch of thermometers
and adjusting?  I found two more temp/hum units, and I've adjusted the 
console as needed, but does setting calibration change
the values that the data-logger sees?  It doesn't seem like it, meaning I 
need to duplicate the offsets in the weewx.conf.

Thx, Chris

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