Topband: Broad band antenna approach for 160 Contesting

Richard (Rick) Karlquist richard at karlquist.com
Sun Feb 28 10:10:19 EST 2021



On 2/27/2021 2:23 PM, Artek Manuals wrote:
> Rick et all
> 
he feed, The taps are relay selected .  Taps selected for a dip
> at 1816, 1840 , 1860, 1880, 1900 and 1920. SWR 1.3:1 from 1.8 to 19.5 
> which the my KPA1500 and Alpha 9500 both love.
> 
> Dave
> NR1DX
> manuals at artekmanuals.com
> 

Thanks for posting this suggestion.  Perfectly reasonable design.
I use an alternative design using switched mica capacitors.
I also use a 2.25:1 matching transformer, but the "windings"
are implemented using coax.  Not sure if Sevick does this.

73
Rick N6RK


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