General Weather/Earth Sciences Topics > Aviation Weather

To go True or Magnetic

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CW2274:
At suggestions, I've started this for those who wish to discuss whether you calibrate your PWS anemometer vane to true north or magnetic, such as myself, pros and cons.

CW2274:

--- Quote from: CW2274 on November 02, 2015, 06:49:26 PM ---At suggestions, I've started this for those who wish to discuss whether you calibrate your PWS anemometer vane to true north or magnetic, such as myself, pros and cons.

--- End quote ---
That being said, I'm taking bets that I'm the only "magnetic" guy on this board..... ;)

ValentineWeather:
CWOP wants true north in siting guide. http://www.wxforum.net/index.php?topic=21081.0;nowap

CW2274:

--- Quote from: Old Tele man on November 02, 2015, 07:36:32 PM ---C.D.M.V.T.?

I used the "true" heading from this FFA picture for TIA:



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Earles, I have no idea what you're talking about, so I'll dumb it down for myself. All runway headings shown are magnetic. The declination compass even shows 11.1 degrees east with an annual rate of 0.1 degrees west. Respectfully, what's your point? :-?

CW2274:

--- Quote from: ValentineWeather on November 02, 2015, 08:33:38 PM ---CWOP wants true north in siting guide. http://www.wxforum.net/index.php?topic=21081.0;nowap

--- End quote ---
For overall comparison sake, I'm sure they do, kinda hafta. Like I said, I'm probably alone, but I prefer the straight up comparison to the NWS/FAA sites in my area.

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