Direction Finding Application Note

You have identified an interfering signal, now you need to track it to its source. This is done with various methods of direction finding. The least effective way to locate an emitter is to use a non-directional antenna and just try to go in the direction that gives you the largest signal. In the real world, multi-path propagation makes such a procedure difficult and frustrating. You need a method that shows you the direction of arrival of the signal. The basic procedure of direction finding is theoretically simple but in practice multi-path propagation often makes the process very complex and fraught with false or confusing direction indications.

Release Date:  Wednesday, September 16, 2009

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