Dave S wrote:
From what the ATC can see its more like: 17,900 or 18000 feet.. the
Mode C encodes in 100 ft increments

Except this wasn't ATC. This was the U.S.A.F..

George Patterson
Why do men's hearts beat faster, knees get weak, throats become dry,
and they think irrationally when a woman wears leather clothing?
Because she smells like a new truck.