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06-21-2008, 11:00 AM
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Join Date: Jul 2005
Posts: 433
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WeatherMeister wind direction mag or true?
Anybody know if Dan is indicating the wind direction in his forecast is referenced to true north or magnetic north?
Duane
__________________
Duane Wilson
RV9A. Built, flew 1000 hours, Sold
RV10 Built, flying 330 hours so far.
Central Oregon
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06-21-2008, 12:32 PM
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Join Date: May 2005
Location: Santa Barbara, CA
Posts: 1,324
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True enough...
Quote:
Originally Posted by dwilson
Anybody know if Dan is indicating the wind direction in his forecast is referenced to true north or magnetic north?
Duane
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Since he is using NWS data, it would be 'true' not magnetic. But either way, since it is rounded to 10 degrees, it a bit of non-issue. Here is an easy conversion chart:
http://www.thecompassstore.com/decvar.html
John Clark
RV8 N18U "Sunshine"
KSBA |
06-21-2008, 01:36 PM
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Join Date: Oct 2007
Location: Maysville, Ky
Posts: 4
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Generally, if the report is spoken (ATIS/Tower), it's mag. If it's written (METAR), it's true. My feet are too hamfisted to feel the difference.
Jeff Coutant
-8 N262RM
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06-21-2008, 01:37 PM
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Join Date: Oct 2007
Location: Maysville, Ky
Posts: 4
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Should have read closer, who's Dan?
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06-21-2008, 02:25 PM
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Join Date: Dec 2005
Location: Oliver, B.C. Canada (Okanagan valley)
Posts: 786
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mag or true
Like my old flight instructor used to say...If it's written, it's TRUE.
__________________
Lorne
RV 7a tip-up
Pre-cover MD-RA Inspected.
Canopy completed. Bonded with Sika-Flex.
Up on her mains, Firewall Fwd and wiring on going.
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06-21-2008, 02:50 PM
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Join Date: May 2005
Location: Santa Barbara, CA
Posts: 1,324
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Weathermeister
Quote:
Originally Posted by Rolls
Should have read closer, who's Dan?
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Dan Checkoway, the creator of http://www.weathermeister.com |
06-21-2008, 04:33 PM
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Join Date: Oct 2007
Location: Maysville, Ky
Posts: 4
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What doesn't that guy do?
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06-21-2008, 05:01 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,408
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Quote:
Originally Posted by Rolls
Should have read closer, who's Dan?
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Some guy from SoCal with an un painted plane.  ?????????
http://www.vansairforce.com/community/member.php?u=1049
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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06-21-2008, 06:14 PM
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VAF Moderator / Line Boy
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,247
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Quote:
Originally Posted by Rolls
What doesn't that guy do?
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Paint airplanes!!! 
__________________
Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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06-21-2008, 08:39 PM
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Join Date: Jan 2005
Location: NC25
Posts: 3,503
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The Weathermeister (aka: Dan) tells me: "FYI, wind direction for METARs and TAFs gets converted to magnetic."
__________________
Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
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