Topband: Post contest season: TX antenna vs RX antenna cros-stalk. What do you do?

Jim Brown jim at
Sun Mar 27 04:09:44 EDT 2016

On Sat,3/26/2016 3:49 AM, Mark van Wijk, PA5MW wrote:
> Our fixed setups usually had  harmonic coax stub filters per 
> individual antenna. 

You may find my applications note on optimizing the location of harmonic 
stubs useful. It's on my website. Using the 
technique I've described, stubs can be 20-30 dB more effective than if 
randomly placed along the line.

73, Jim K9YC

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