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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