[Boatanchors] Radio transmitter ranges

[J. Forster]

I would have thought you use those measurements to trim attitude and engine
settings, but use INS and/or GPS to figure out where you are and how fast you
are really going over the ground.

-John


Dan Arney wrote:

> We do that in 707's and 747's by air blowing into the Pitot tube and
> indicating in KPH until changeover at about 26 to 28,000 feet then to Mach.
> Still comes speed over the surface of the earth.
> Hank
> KN6DI