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Why 000-179 ... and not 001-180??



 
 
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Old September 24th 04, 10:49 PM
Icebound
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"Steven P. McNicoll" wrote in message
k.net...

"Icebound" wrote in message
.rogers.com...

Since 000 is not a real direction... (North is 360) ...,


360 and 0 are used interchangeably for North.



Well, yes and no. They mean the same thing, of course... but they are not
really "used interchangeably".

Direction 000 in a METAR is used to represent calm wind, not North wind.

I have never seen "00" painted on a runway.

Computer routines for calculating direction will often expect input and
normalize results into the 1-360 range, not 0-359.

Very rarely do you hear "... heading is 000" as opposed to "... heading is
360"

etc....



 




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