[TowerTalk] OWA Yagis was 40m 4el KLM - replacing linear loading with coils

Jeff Blaine KeepWalking188 at ac0c.com
Sun May 3 22:31:46 EDT 2020


A 3 element beam puts the feedpoint near the center and likely within 
grasp for a bit of tweaking from the mast.  I view it as the right tool 
for the job.  An OWA is a good pick for the wide band HF.  And it is not 
a good pick for WARC.

73/jeff/ac0c
alpha-charlie-zero-charlie
www.ac0c.com


On 5/3/20 6:50 PM, john at kk9a.com wrote:
> True, however unless you have a good way to model the hairpin, an OWA is
> easier build since it will work with little if any adjusting.
>
> John KK9A
>
>   
>
>
> Jeff Blaine AC0C wrote:
>
> 30m full size + 4-element 17m combo that uses a conventional hairpin
> match on both bands.  The 12m is a similar hairpin matched type.  The
> WARC bands are so narrow vs. the frequency that you don't run into the
> issues that we have on much wider bands.
>
> My other antennas for the conventional HF bands are OWA type. And that
> is for all the reasons mentioned prior.
>
> 73/jeff/ac0c
> alpha-charlie-zero-charlie
> www.ac0c.com
>
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