On Feb 2, 4:32 pm, "Kyle Boatright" wrote:

Can someone either point me to an on-line resource or go over the relevant
guidelines? My recollection is that you should taper doublers at an 8:1 or
better ratio.

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Dear Kyle,

AC43.13-1B, page 1.3, shows 5:1

-R.S.Hoover