On 8 Mar 2006 16:33:17 -0800, "K7ITM" wrote:

Doppler DF systems like mazerom is thinking about work by rotating a
virtual antenna in a circle -- by successively selecting one antenna at
a time from a set of antennas around a circle. (He finally got around
to saying that in the other thread...)

Hi Tom,

Finally indeed.

Yes, commutating antennas. I am also familiar with VOR, I used to
calibrate those systems (and other flight systems) years ago.

73's
Richard Clark, KB7QHC