[Clocks]

Originally Posted by PFGiardino

I know all about reference signal, sweeping signal, timing differences, airplane receivers... but if I walk into a VOR facility, what will I see?

Is something spinning or not?

Thanks in advance...

Wikipedia says...no

A second 30 Hz signal is derived from the electronic rotation of a directional antenna array 30 times a second. Although older antennas were mechanically rotated, current installations are scanned electronically to achieve the same result with no moving parts.

http://en.wikipedia.org/wiki/VHF_omnidirectional_range