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#1
September 24th 04, 10:49 PM
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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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#2
September 24th 04, 10:57 PM
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"Icebound" wrote in message ble.rogers.com... Well, yes and no. They mean the same thing, of course... but they are not really "used interchangeably". Well, how can they mean the same thing if one of them "is not a real direction"? 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" You'll find more compasses with 0 for north than with 360.
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#3
September 24th 04, 11:06 PM
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"Steven P. McNicoll" wrote in message ink.net... "Icebound" wrote in message ble.rogers.com... Well, yes and no. They mean the same thing, of course... but they are not really "used interchangeably". Well, how can they mean the same thing if one of them "is not a real direction"? "... is not used as a direction". I will admit to semantic sloppiness. 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" You'll find more compasses with 0 for north than with 360. I thought about that, but when I went looking, almost all compasses I could find had a big fat "N" there, and no number at all.
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#4
September 25th 04, 03:32 AM
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Icebound wrote: I thought about that, but when I went looking, almost all compasses I could find had a big fat "N" there, and no number at all. My Airpath has 0. Model C-2400-L4P, according to the POH. George Patterson If a man gets into a fight 3,000 miles away from home, he *had* to have been looking for it.
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#5
September 25th 04, 01:45 AM
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On Fri, 24 Sep 2004, Steven P. McNicoll wrote:
Very rarely do you hear "... heading is 000" as opposed to "... heading is 360" You'll find more compasses with 0 for north than with 360. But more runways with "36/18" on the ends, rather than "00/18". Seems pretty interchangable to me... Brian.
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