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Alt bust

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Old 6th Oct 2010, 14:15
  #21 (permalink)  
 
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But on the other hand ATC must provide 1000' vertical separation
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Old 6th Oct 2010, 14:55
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If one is at fl250 (indicating 252) and the other is at fl260 (indicating 258) then the controller still has 1000' separation, because both transponders are within tolerance.
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Old 6th Oct 2010, 20:23
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Mode S supports an altitude resolution of 25 ft, is that part of the required mode s standard in core europe? Not that it really matters at high altitude.
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Old 6th Oct 2010, 21:35
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Surely the need for an altitude encoder is the governing factor for accuracy, hence +/-200ft?
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