[HBQRP] "Random" end fed antenna lengths and ununs..

[Ray McNally]

Hi Arnie,

  This is very good information.  If one is using QRP power, this would be
a very good antenna to string down a hallway or around the living room
ceiling and be able to work lots of stations.  I am making a 9:1 unun and
will try to give a report in the near future.

73,
Ray - N5SEZ

On Sun, Sep 28, 2014 at 4:32 PM, Arnie Grubbs via HBQRP <
hbqrp at mailman.qth.net> wrote:

> Hi Group,
> I know that there are a couple of people in the group  who are looking at
> building for a go kit or  putting up at home an EARCHI type end fed antenna
> .
> Here is info on EARCHI -
> http://www.earchi.org/92011endfedfiles/Endfed6_40.pdf
> There were several people that have mentioned this the past few weeks,
>  So, I thought that I would pass along this linkto the Balun Designs web
> page showing lengths to be used with the 9:1 UnUns that they sell.
> http://www.balundesigns.com/Wire%20Lengths%20for%209-1%20ununs.pdf
> In it is a chart that shows lengths and the SWR's you can expect somwhere
> on each band.  You will of course want to have some kind of matcher, but
> this looks like it would be usable on the narrow range auto matchers
> installed in Icom-yeasu-kenwood solid state rigs.
> Note that this is for reference, and the lengths might need to be adjusted
> for objects in the local field of the antenna, suchas towers, buildings,
> fences and other large metal objects...
> 73 - Arnie KA0NCR
>
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