[CQ-Contest] SO2R Coax Stub location; outside?

[Jeff Stai]

Jim K9YC must be taking a break ;) but arguably putting them outside will
be better depending on where they should be placed to be most effective.
Here's his considerable presentation on the subject:

http://audiosystemsgroup.com/StubPlacement.pdf

73 jeff wk6i


On Sat, Feb 22, 2020 at 3:47 PM Mike Smith VE9AA <ve9aa at nbnet.nb.ca> wrote:

> Is it reasonable to assume I could locate all my coax stubs 165' away from
> the shack outside at the antenna switch?
>
>
>
> Currently I run SO2R with no band pass filters, nor coax stubs, but I have
> a
> 'relatively' large lot (2.2ac) and "radio 2" has a single antenna
> (horizontal ZS6BKW) located at the opposite end of the lot and the primary
> "radio 1" has a variety of verticals or vertical arrays, so it works.
>
>
>
> Sometimes that's an advantage (speed of QSY's; not ever having to worry
> about switching in stubs or filters) but sometimes there is a very small
> amount of crossband QRM (self inflicted) and it always prevents running on
> 2
> bands with my 'best' antennas.  For example, when I am running on 40m/80m I
> have to choose one 4-Sq and always the horizontal antenna is parked on
> "radio 2" (a ZS6BKW w/ 15m add-on element).
>
>
>
> If I bought 2 sets of bandpass filters and made up 6 coax stubs that I
> could
> locate out at the antenna switch, I think it would be a small step up for
> my
> signal on some band combos.  The relatively low ZS6' ain't exactly a pileup
> buster ;-)
>
>
>
> Reason is, there is NO ROOM in the shack for stubs.  Just none.
>
>
>
> So, any downside to doing it this way?
>
>
>
> Mike VE9AA "NB"
>
>
>
> Mike, Coreen & Corey
>
> Keswick Ridge, NB
>
>
>
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>


-- 
Jeff Stai ~ WK6I ~ wk6i.jeff at gmail.com
RTTY op at W7RN
Twisted Oak Winery ~ http://www.twistedoak.com/