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[wxsig] Wind direction calibration problem

William Beals will at beals5.com
Mon Jul 25 03:27:08 UTC 2011


I do remember getting the calibration work working when I added the WS603
support, but suspect it may have to do with other sensors besides the WS603
and that mixing up some of my logic.  I will try to get that setup plugged
in over the next week and see what I can find.


-----Original Message-----
From: wxsig-bounces at tapr.org [mailto:wxsig-bounces at tapr.org] On Behalf Of
Sent: Friday, July 22, 2011 4:47 PM
To: 'TAPR Weather Station SIG Mailing List'
Subject: [wxsig] Wind direction calibration problem

Hello all, 

After moving it to a new location, I'm in the process of setting up my
weather station, and am running into an old problem.  I have the new AAG
anemometer/wind vane head (WS603).  I cannot get the wind vane direction to
calibrate properly.  I secure the vane pointing north, go through the
software steps, and the display gives me a direction like 113 degrees,
instead of zero.  Calibrate again, it's 257 degrees.   With enough
repetitions, through sheer statistics, I will get a value close to zero, but
it can take a number of tries.  Does anyone else have this problem?  I'm up
to date on the software.  Once the vane has been set to zero at a certain
point, it will reliably indicate zero at that point, so I think the sensors
in the head are working, it just seems like the calibration isn't working.  

Thanks for your help. 



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