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I'm still here, and thanks for liking my older post.


The chart is actually for vertical antennas.




I use the 4nec2 modeling program for things like this.  It is free and pretty powerful.  If you have any questions about 4nec2 or modeling, just ask.




I've been known to use a field strength meter to confirm the basic pattern of the antenna.  Its not precise, but you can see where the peaks and nulls are.




It will be a little under 12 feet in length.



The DB