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Old 21st Sep 2007, 14:24
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bravic2007
 
Join Date: Feb 2007
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Its also called PET - point of equal time

d = (D * H)/ (O + H)

d= dist to pet from A , D =total dist between the two bases,
H= GS home from PET to A , O= GS on from PET to B

Hope it helps .. further info available from Ground Studies for Pilots
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