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Wind Direction Calibration
Posted: Wed 03 Nov 2010 11:44 am
by wd40
What effect does the wind direction calibration number have on wind direction? Is the number a plus or minus degrees?
I wonder if a dampening factor for the wind vane could be added here to compensate for fine offset wind vane overshoot?
Randy
Re: Wind Direction Calibration
Posted: Wed 03 Nov 2010 12:38 pm
by Gina
The problem with applying software damping to the wind direction is that the very best sampling rate you can get is a period of 48 secs - the transmit rate. Since the vane turns /waggles several times a second, applying damping to a 48 sec periodic sampling is unlikely to be effective.
Re: Wind Direction Calibration
Posted: Wed 03 Nov 2010 1:48 pm
by steve
wd40 wrote:What effect does the wind direction calibration number have on wind direction? Is the number a plus or minus degrees?
Yes; it's intended for situations where you discover that you didn't align it correctly.
I wonder if a dampening factor for the wind vane could be added here to compensate for fine offset wind vane overshoot?
That's effectively what the average direction calculation gives (but it also takes speed into account).
Re: Wind Direction Calibration
Posted: Wed 03 Nov 2010 2:06 pm
by wd40
Thanks for the replies Gina and Steve.
Randy