The time domain and the frequency domain are related conventionally
through a mathematical manipulation called the Fourier Transform.

That may be true, but is also a ten dollar irrelevancy. The phase
difference directly relates to the time difference. Operationally, the
circiuitry employs phase relationships rather than a little man with a
fast stopwatch, but new pilots attempting to understand the concept of
VOR navigation don't need to understand RF electronics to "get" the idea
behind the VOR, especially in contrast to the ADF or DME. I find the
analogy completely apt.

The VOR system was designed for measurements in phase space.
DME, of course, was designed for the time domain.

This is a useful distinction for ciruit designers, but not for new pilots.

Jose
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