[TowerTalk] Christman Phasing help!

[john at kk9a.com]

I found this information on Christman phasing which may be of interest:
https://lonneys-notebook.blogspot.com/2020/10/phased-arrays-christman-feed-s
ystem.html?m=1

GL
John KK9A


David kb8nnu wrote:

Jim,
I finally had a few minutes to go back and measure the antennas at the feed
point.  I found 1 antenna slightly off so I adjusted it so both are now
relatively close.  Antenna A was R=32 X=9 and Antenna B was R=38 X=7
centered at 7.100.  I had several people recommend adding a choke at the
feed point on each antenna. I may have to add some beads. Thoughts?  I also
like the idea of implementing a simple LC network something like Gary NA6O
suggested.  Now, I am second guessing myself and maybe should have gone a
different route.  
DaveKB8NNU